demand valve 中文意思是什麼

demand valve 解釋
按需活瓣
  • demand : vt 1 要求，請求；需要。2 詢問，盤問，追究。3 【法律】召喚。vi 要求，查問。 ★後面子句中的動詞，美...
  • valve : n 1 【機械工程】閥，活門，舌門；汽門。2 【解剖學；動物學】瓣，瓣膜；（貝）殼瓣；【植物；植物學】...
  1. Since cordite burns at a greater rate at a higher pressure a relief valve must be used to allow generated gas to escape to atmosphere at times when the demand is low.

    因為柯達火藥在較高的壓力下以較高的速度燃燒，所以必須使用一個溢流閥，以便當用氣少時，能讓所產生的部分氣體排到大氣中去。
  2. September 11, 2005, according to the market demand, our company and zhejiang ninghai qinglong motorcycle leaf valve co., ltd pooled capital to establish ningbo reecat environmental technology co., ltd

    一致通過由桂林利凱特環保實業股份有限公司任本屆行業組組長單位，由天津摩托車技術中心任常務副組長單位。
  3. Multiple valve installations are very practical especially where there is a wide variation in demand

    當需要更加廣泛變化的地方，安裝多個閥門非常實用。
  4. Respiratory protective devices - plug - in connection between lung governed demand valve and facepiece for self - contained open - circuit compressed air breathing apparatus for use by german fire brigade

    呼吸保護器.德國消防隊用自調需氧量氧氣調節閥與獨立
  5. Many researches have been done with the simulation model. it was found that some structure parameters such as the diameter of the driving piston, the diameter of the buffer piston, the stiffness of the valve spring, the compress ratio of the buffer piston, and the flux area of the solenoid valve etc. have great effect on the performance of the haecvvs. for certain performance demand of the variable vale system, there is a most suitable combination for the structure parameters

    通過對電控可變氣門系統的主要結構參數，如動力活塞直徑、緩沖活塞直徑、氣門彈簧剛度、緩沖活塞實際壓縮比、電磁閥通流面積等參中壓共軌電控柴油機可變氣門系統的研究數對電控可變氣門系統啟、閉特性的影響規律的研究發現，動力活塞直徑、氣門彈簧剛度、電磁閥通流面積對電控可變氣門系統啟、閉性能起著決定性的作用，對於一定的氣門啟閉規律要求，這些結構參數存在一組最佳值。
  6. Intake valve ： automatically controls the volume of discharge air from 0 to 100 % by matching hte demand of the system air

    進氣閥：根據系統氣體的要求， 0 - 100 %自動調節進氣量。
  7. With the development of the industrial technology, the general soft seal butterfly valve has not been satisfied with the demand in the industry, so the metal seal butterfly vavle has been developed. the tri - eccentric butterfly vavle is the most advanced during the butterfly valve development and evolvement. but, at present, the tri - eccentric butterfly valve has not been studied thoroughly at home, and has not been formed a perfect theory system, brought about the limitation of the tri - eccentric butterfly vavle in its development and application to a great extent

    隨著工業技術的發展，普通軟密封蝶閥已滿足不了工業上的需求，金屬硬密封蝶閥很快被開發出來，而三偏心結構蝶閥是蝶閥發展、演化過程中最高級的一種，但是目前國內還沒有對它作深入的研究，還沒有形成一個比較完善的理論分析體系，致使三偏心蝶閥的發展及應用受到一定程度的限制。
  8. For the demand of the market, the company has adjusted the structure of products since 2005 and has formed four series. they are metallic carrier, metallic carrier catalyst, ceramic carrier catalyst, and compensation device single valve, 2 in 1 valve, etc

    為應對市場需求，公司從2005年調整產品結構，現已形成四大系列，即：金屬載體金屬載體催化劑陶瓷載體催化劑補氣裝置單向閥二合一閥等。
  9. For the demand of the market, the company has adjusted the structure of products since 2005 and has formed four series. they are metallic carrier, metallic carrier catalyst, ceramic carrier catalyst, and compensation device ( single valve, 2 in 1 valve, etc )

    為應對市場需求，公司從2005年調整產品結構，現已形成四大系列，即：金屬載體、金屬載體催化劑、陶瓷載體催化劑、補氣裝置（單向閥、二合一閥等） 。
  10. With the aid of this software, the optimizing design was carried out for a valve train cam profile provided by shanghai diesel engine research institute. the initial demand of simplification, directness and visualization was realized during the experiment process

    利用此軟體，對由上海內燃機研究所提供的某機型的配氣凸輪型線進行了優化設計，試驗過程實現了設計之初提出的簡單化、直觀化及可視化的需求。
  11. Respiratory protective devices - compressed air line breathing apparatus with demand valve - part 1 : apparatus with a full face mask - requirements, testing, marking

    呼吸防護裝置.帶用量閥的壓縮空氣管路呼吸裝置.第1部分:全罩式面具裝置.要求檢驗和標記
  12. Respiratory protective devices - compressed air line breathing apparatus with demand valve - part 2 : apparatus with a half mask at positive pressure - requirements, testing, marking

    呼吸防護裝置.帶用量閥的壓縮空氣管路呼吸裝置.第2部分:在正壓下半罩式面具裝置.要求檢驗和標記
  13. Respiratory protective devices - compressed air line breathing apparatus with demand valve - apparatus with a full mask - requirements, testing, marking

    呼吸防護裝置.帶用量閥的壓縮空氣管路呼吸裝置.全罩式裝置.要求檢驗和標記
  14. Respiratory protective devices - compressed air line breathing apparatus with demand valve - part 1 : apparatus with a full face mask - requirements, testing, marking ; german version en 14593 - 1 : 2005

    呼吸保護裝置.帶斷續供氧閥門的壓縮氣體管路呼吸裝置
  15. Respiratory protective devices - compressed air line breathing apparatus with demand valve - apparatus with a half mask at positive pressure - requirements, testing, marking

    呼吸防護裝置.帶用量閥的壓縮空氣管路呼吸裝置.在正壓下半罩式裝置.要求檢驗和標記
  16. It can solely or jointly apply to all kinds of industrial automatic control and is widely used to intelligentize varied industrial automatic equipments as electric valves and actuators, etc. in general, the designed system has well met the developmental demand on intelligenzation, miniature, multi - function, high quality / valve rate

    它既能用於調節閥、電動執行器等工業自動化裝置的智能化改造並與之配套使用，也可單獨用於各種工業自動化控制過程。較好地滿足了伺服操作器智能化、微型化、多功能化、高性價比的發展趨勢與要求。
  17. Demand valve keeper, valve

    求購真空破壞閥截止閥球閥
  18. Respiratory protective devices - compressed air line breathing with demand valve - part 2 : apparatus with a half mask at positive pressure - requirements, testing, marking ; german version en 14593 - 2 : 2005

    呼吸器保護裝置.帶斷續供氧閥門的壓縮氣體管路呼吸裝
  19. Respiratory protective devices - self - contained open - circuit compressed air breathing apparatus with half mask designed to include a positive pressure lung governed demand valve for escape purposes only ; german version en 14529 : 2005

    呼吸保護裝置.逃生用包含由需求閥控制的正壓呼吸器的
  20. Respiratory protective devices - self - contained open - circuit compressed air breathing apparatus with half mask designed to include a positive pressure lung governed demand valve for escape purposes only

    呼吸保護裝置.逃生用包含由需求閥控制的正壓呼吸器的帶半罩式面具的自持式開路壓縮氣體呼吸機
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