趣英语 / valves造句

valves造句

Well we need to put by £200 for the pump valves to be renewed.
我们需要存下200英镑以备更换水泵阀。

The heart has valves to let blood flow in and out of it.
心脏有瓣膜控制血液流进流出.

The engineering gang fell earnestly to work on jammed valves.
轮机组都起劲地埋头修理堵塞的阀门.

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