hoisting and lowering 中文意思是什麼

hoisting and lowering 解釋
升降鉆具
  • hoisting : n. 起重，提升。
  • and : n. 1. 附加條件。2. 〈常 pl. 〉附加細節。
  • lowering : adj. 1. （天氣）陰霾的，昏暗的，惡劣的。2. 不高興的，愁眉苦臉的。adv. -ly adj. 1. 卑劣的。2. 體力減弱的。n. 低下；減損。
  1. Eev should be selected for various refrigeration systems according to the thermal properties of refrigerants ; the discharge coefficient of eev is sensitive to the aperture and impulse quantity of eev ; when the eev structure is made, the discharge coefficient goes up with the lowering of evaporation temperature or goes down with the hoisting of the condensation temperature. it is le

    對于不同工質的冷藏集裝箱製冷系統，電子膨脹閥應該根據具體製冷劑的熱力性質選取；電子膨脹閥流量系數對孔徑和脈沖數比較敏感；在結構固定時，流量系數隨蒸發溫度的降低而升高，隨冷凝溫度的增加而增大，受過冷度變化的影響較小；電子膨脹閥的容量受孔徑影響最大。
  2. The hoisting and lowering of tropical cyclone warning signals at these stations were carried out by their staff. the number of signal stations in hong kong peaked at 42 in the 1960s ( figure 3 )

    大部份信號站都設于香港警務處和海事處所屬范圍內，由這些部門的同事懸掛及除下信號。
  3. The meteorological station was automated in 1992 and scientific assistants were no longer posted at cheung chau. the task of hoisting and lowering of signals was taken over by the property attendants

    一九九二年航空氣象站轉為自動氣象站后，便再沒有科學助理當值，只留下產業看管員駐守，負責懸掛風球。
  4. Most of the signal stations were located at government buildings of the hong kong police force and the marine department. the hoisting and lowering of tropical cyclone warning signals at these stations were carried out by their staff

    大部份信號站都設于香港警務處和海事處所屬范圍內，由這些部門的同事懸掛及除下信號。
  5. Lowering and hoisting test for life boat

    救生艇收放試驗。
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