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进口止回阀又称单向阀或逆止阀,是能自动阻止流体倒流的阀门。
Imports, also known as one-way valve or check valve check valve is automatically prevent fluid backflow valve.
youdao
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进口止回阀又称单向阀或逆止阀,是能自动阻止流体倒流的阀门。
Imports, also known as one-way valve or check valve check valve is automatically prevent fluid backflow valve.
youdao