The bypass assembly consists of a meter registering either gallon or cubic measurements, a double check assembly and required test cocks.
旁路总成包括一个可记录加仑或立方米的水表，一个双止回阀总成和所需的测试旋塞。
The bypass assembly consists of a meter registering either gallon or cubic measurements, a double check assembly and required test cocks.
旁路总成包括一个可记录加仑或立方米的水表，一个双止回阀总成和所需的测试旋塞。
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