名词
中文翻译：长半圆形滑动阀
同义词：
['长半圆形阀门，长半圆滑动阀例句：1. The long half-round slide valve is crucial for the operation of the pump.（长半圆形滑动阀对于泵的运行至关重要。）2. The engineer had to replace the old long half-round slide valve with a new one.（工程师不得不用一个新的长半圆形滑动阀来替换旧的。）']
例句：
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1. The long half-round slide valve is crucial for the operation of the pump.
长半圆形滑动阀对于泵的运行至关重要。
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2. The engineer had to replace the old long half-round slide valve with a new one.
工程师不得不用一个新的长半圆形滑动阀来替换旧的。
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3.The long half-round slide valve was designed to improve the efficiency of the machinery.
长半圆形滑动阀的设计旨在提高机械设备的效率。