diaphragm-operated valve是什么意思 diaphragm-operated valve怎么读
diaphragm-operated valve的相关资料
diaphragm-operated valve的用法和样例
- The Pacific tilting disc check valve uses gravity to rapidly close the disc upon reversal of flow.
美国太平洋翻转式阀瓣止回阀在出现逆流时利用重力迅速关闭阀瓣。
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