mains 中文意思是什麼

mains 解釋
幹道網
  1. Private fire service mains and their appurtenances

    專用消防水管及其附件
  2. Installation of ductile - iron water mains and their appurtenances

    球墨鑄鐵總水管及附件的安裝
  3. Hand - held electric mains voltage operated circular saws - methods for measuring the performance

    手持式電動圓鋸.性能測試方法
  4. Hand - held electric mains voltage operated circular saws ; methods for measuring the performance

    手持式電動圓鋸性能的測試方法
  5. Hand - held electric mains voltage operated circular saws. methods for measuring the performance

    手提式電源電壓驅動式鋸床.性能測量方法
  6. Hand - held electric mains voltage operated circular saws - methods for measuring the performance iec 61176 : 1993 ; german version en 61176 : 1993

    手握式電源電壓操作的圓鋸性能測量方法
  7. Methods of measuring the energy consumption of electric mains operated household refrigerators, frozen food storage cabinets, food freezers and their combinations, together with associated characteristics

    電網供電家用冰櫃冷凍食品儲藏櫃食品冷凍機及其組合冷凍櫃的電能消耗和有關特性的測量方法
  8. From roundwood reservoir in county wicklow of a cubic capacity of 2, 400 million gallons, percolating through a subterranean aqueduct of filter mains of single and double pipeage constructed at an initial plant cost of 5 per linear yard by way of the dargle, rathdown, glen of the downs and callowhill to the 26 acre reservoir at stillorgan, a distance of 22 statute miles, and thence, through a system of relieving tanks, by a gradient of 250 feet to the city boundary at eustace bridge, upper leeson street, though from prolonged summer drouth and daily supply of 12 1 2 million gallons the water had fallen below the sill of the overflow weir for which reason the borough surveyor and waterworks engineer, mr spencer harty, c. e., on the instructions of the waterworks committee, had prohibited the use of municipal water for purposes other than those of consumption envisaging the possibility of recourse being had to the importable water of the grand and royal canals as in 1893 particularly as the south dublin guardians, notwithstanding their ration of 15 gallons per day per pauper supplied through a 6 inch meter, had been convicted of a wastage of 20, 000 gallons per night by a reading of their meter on the affirmation of the law agent of the corporation, mr ignatius rice, solicitor, thereby acting to the detriment of another section of the public, selfsupporting taxpayers, solvent, sound

    但是由於夏季久旱，再加上每天供水一千二百五十萬加侖，水位已降到低於排水口。都市監察官兼水道局技官土木工程師斯潘塞哈蒂奉水道局的指示鑒于有可能會像一八九三年那樣被迫利用大運河和皇家運河那不宜飲用的水，除了飲用外，下令一律禁止使用市裡供應的自來水。尤其是南都柏林濟貧院，盡管限定用六英寸的計量器，每個貧民每日配給十五加侖水，然而在市政府法律顧問辯護律師伊格內修斯賴斯的監督下，經查表證實，每夜要浪費兩萬加侖水，從而使院外的社會各階層也就是自費並有支付能力的納稅者們蒙受損害。
  9. Gaskets for gas supply - part 6 : gasket materials based on synthetic fibres, graphite or polytetrafluoroethylen for gas valves, gas appliances and gas mains

    供氣用密封墊.第6部分:氣閥煤氣設備和煤氣主管道用
  10. Materials for the subsequent sealing of underground gas mains - part 2 : materials for the subsequent sealing of joints in underground gas mains ; safety requirements and testing

    地下煤氣管道用后續密封材料.第2部分:地下煤氣管道接
  11. Materials for the subsequent sealing of joints in underground gas mains - part 1 : plastic foil and textile fibre linings used to seal gaspipes already in place ; safety requirements and testing

    地下煤氣管道接頭附加密封材料.第1部分:已密封煤氣管
  12. Besides serving as carriageways for vehicles and pedestrians, roads also accommodate various utility services, such as water and gas mains, sewers and electricity and telephone cables

    除了供車輛和行人使用外，本港的道路也敷設了各種公用設施，如水管、煤氣喉管、污水渠、電纜和電話線等。
  13. Mains frequency coreless, induction iron - melting furnace and iron - holding furnace

    工頻無心感應熔鐵
  14. Mains immersion heater

    市電浸沒式熱器
  15. Mains frequency coreless, induction furnace for melting copper

    工頻無心感應熔銅爐
  16. Mains frequency coreless, induction furnace for melting aluminium

    工頻無心感應熔鋁爐
  17. Interspecific covariant among ten mains species groups of arthropods on kudzu pueraria lobata

    葛藤主要節肢動物種群種間協變的研究
  18. Of the expected lifespan of the new water mains

    新水管的預期壽命？
  19. According to the regional geology and the character of the lithofacies and well - logging facies, 4 kinds of sedimentary facies and 3 kinds of depositional system : marine system, delta system and fluvial system have been identified. the sedimentary facies of taiyuan formation is marine faceis, up to sanxi formation, the sedimentary facies is delta facies, the xiashihezi formation hel and he2 member are braided river facies, he3 member is meandering river facies. the mains types of sandstone of taiyuan formation are lithic quartzarenite and quartzarenite ; the mainly types of sandstone of sanxi formation and xiashihezi formation is litharenite

    通過對20餘口井2000多米巖心的觀察和對40幾口井的測井數據解釋、對比，在研究區目的層段識別出了12種基本巖相和9種測井相類型，在區域沉積背景和單井相劃分的基礎上，根據巖相和測井相組合特徵，在太原組?下石盒子組劃分出4種沉積相和若干沉積微相，並進一步劃分為3類沉積體系：濱淺海沉積體系、三角洲沉積體系和河流沉積體系。
  20. The legal nature of the liability of warrant for defects has different doctrines in different developing courses, mains in legal responsibility and debt nonperformance

    瑕疵擔保責任的法律性質，在其不同的發展過程中，產生過不同的學說，主要有法定責任說和債務不履行說。
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