service mains 中文意思是什麼
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Private fire service mains and their appurtenances
專用消防水管及其附件 -
Water samples are taken regularly throughout the entire supply and distribution system. the sampling points include water treatment works, service reservoirs, trunk mains, connection points and domestic taps. the data from these samples are checked against the world health organization s guidelines for drinking - water quality, which were developed by experts from around the world
在整個供水及輸水系統中，有關人員經常從濾水廠、配水庫、輸水干管、供水接駁位置和用戶水頭抽取樣本進行化驗，鑒定化驗數據所顯示的水質是否符合世界?生組織所訂定的飲用食水水質準則。 -
Water supplies - fresh water supplies - integration of the north point and central cross harbour mains supply zones - remaining works water supplies - fresh water supplies - tan kwai tsuen fresh water service reservoir stage ii and additional trunk transfer facilities between yuen long and tuen mun
供水食水及海水供應工程項目-九東部增設干管輸水設施及與安達臣道石礦場地盤發展有關的供水計劃-第1階段 -
The works included the construction of a service reservoir with a water storage capacity of 13, 000 cubic metres and the laying of 1, 500m of water mains of sizes ranging from 600mm to 800mm in diameter, said mr ko, adding that reservoir could be extended to an ultimate capacity of 30, 000 cubic metres to meet the future growth in demand
他表示，欣澳食水配水庫的建造工程包括興建一個儲水量達一萬三千立方米的配水庫，及鋪設一千五百米直徑為六百毫米至八百毫米的水管；配水庫的容量更可擴充至三萬立方米，以應付未來可能增加的需求。 -
Mains mains is a term used extensively outside of the united states to describe the normal power service ( utility )
市電市電是美國以外的區域對常規電力服務的廣泛稱謂。 -
For mains - independent service in the field, the sensor can operate with a supply voltage of 6v
傳感器獨立於主電源工作，可以在6伏的供電電壓下運行。
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