Each Pumping Unit shall be rated for continuous duty in accordance with the operating conditions defined in Table 1 of these specifications.

在本规格说明书表1中所规定的工作条件下，每台泵设备应该能够持续运行和工作。

youdao

The valve is rated for continuous duty. 222c Valves have a short stroke water piston for fast response and dual guide areas have self-cleaning action.

该电磁阀可进行连续工作。该222 C阀还有一个短冲程水活塞用于作出快速反应和有自我清洁功能的双引导区域。

youdao

The internal porting and superior construction enable these pumps to handle continuous duty service applications and pump against high differential pressure.

内部端口和极好的结构能够使这些泵处理连续的负荷检修应用和对抗高压差的泵。

youdao

It limited residents to no more than thirty hours of continuous duty.

VOA: special.2009.06.02

So the I.O.M.proposed that residents be required to get five continuous hours of rest for every sixteen hours on duty.

VOA: special.2009.06.02

So the Institute of Medicine proposed that residents be required to get five continuous hours of rest for every sixteen hours on duty.

VOA: special.2010.07.13

The apparatus which recycles human waste and turns "yesterday's coffee into into tomorrow's coffee needs frequent maintenance and would likely not survive years of continuous duty on Mars", he says.

BBC: Applicants wanted for a one-way ticket to Mars