... 双道活栓 dual path stopcock 微型活栓 micro stopcock; microstopcock 阻水活栓 water check ...
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hot-water check valve 热水止回阀
water check valve 止水回阀
water puality check 水质检查
feed-water check valve 给水止回阀
water pump pressure check 水泵压力检查
water quality check 水质检查
water seal check valve 水封逆止阀
Only drink bottled water and check the seal isn't broken.
只喝瓶装水,并且要看封口开了没有。
Once known, it spread rapidly, driving out water clocks but not solar dials, which were needed to check the new machines against the timekeeper of last resort.
一旦被人所知,它就迅速传播开来,替代了水钟,但却没有替代日晷,日晷被用来将新机器与原来的计时方法进行对照检查。
It is best to check the temperature of the water before diving in headfirst.
潜水前最好先检查水温。
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