mains supply 中文意思是什麼
mains supply
解釋
電網供電交流電源-
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。 -
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 -
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。 -
Two serious accidents occurred in recent months, both involving short - circuiting of live parts on low voltage electrical installations. in each case, the registered electrical workers ( rews ) did switch off the mains and essential supplies at the consumer s switchboard in order to carry out periodic maintenance inspection. however, they did not isolate the electricity supply from the power company
在這兩宗個案中，注冊電業工程人員在進行定期檢查時，並未聯絡電力公司切斷來電電源，而祗是將用戶開關掣板的總掣及后備電源關掉，所以這些電掣的來電方向，仍然是帶電。 -
Ring mains for cha kwo ling salt water supply system
茶果嶺海水供應系統環形總水管敷設工程 -
The mains are monitored by automatic control system. generator set will take over and supply power to the load within max. 15 seconds when the mains supply fail
自動監測系統常年監測主電網供電。當主電網突發停電時，發電機組將在15秒鐘內自動完成從發電機組起動到向負載送電。 -
Once a year all electrical connection screws should be tightened. to do this the supply most be switched off and the mains removed
一年一次，所有電路連接的螺絲口應被擰緊。做這項工作時，切斷電源。 -
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 -
Emergency repair of burst water mains and attendance to emergency water supply incidents
負責搶修水管爆裂處理緊急供水等事故 -
Direct connection to mains pressure water supply is not permitted
嚴禁直接連在有壓力的供水裝置上。 -
Safety of power transformers, power supply units and similar - particular requirements for perturbation attenuation transformers - part 2 - 19 : particular requirement mains - born perturbatiion attenuation transformers
電源變壓器供電設備及類似設備的安全性.擾動衰減變壓器的特殊要求 -
Hong kong island and islands development civil engineering - land devlopment - yung shu wan development, engineering works hong kong island and islands development, civil engineering - land development, water supplies - combined fresh salt water supply projects - north lantau phase 2a development in tung chung, roads and drains ; north lantau water supply - distribution mains in tung chung development phase 2
港島及離島發展土木工程-土地發展-供水食水及海水供應工程項目-北大嶼山東涌發展計劃第2a期-道路及渠務工程-北大嶼山供水系統-東涌發展計劃第2期配水管工程 -
The electricity supply has been cut off / disconnected at the mains
電力供應已在電源處截斷 -
The integrated battery guarantees an operation independent from mains supply
內置電池保證顯示不依賴主電源操作。 -
Digital pressure gauges provide a digital local indication independent from mains supply
數字壓力表提供了獨立於主電源的現場數字顯示。 -
The normal mains supply to the ballast shall be reduced within 0. 5 s to 0. 6 times rated voltage after which the emergency lamps shall operate
在0 . 5秒內將燈具供電電壓降低至最高額定電壓的0 . 6倍，此後，應急燈應能工作。 -
The built - in battery ensures independence from a stationary power supply and avoids any injury risk by mains voltage
內置的電池使測量儀不依賴固定電源工作，避免主電源電壓對其傷害。 -
The large amounts of power distribution networks take on the basic task of mains power supply to the widespread consumers
配電網量大面廣，擔負著直接為廣大用戶供電的任務。 -
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。 -
In electronics, undesirable low frequency currents interfering with a desired signal, and usually caused by a poorly screened alternating mains supply
在電子學領域，一種不希望發生的低頻電流，它干擾所要求的信號。通常這種現象是由於交流供電線路屏蔽不良引起的。
分享友人