vacuum check valve 真空止回阀 ; 真空单向阀 ; 单向阀
VCKV Vacuum Check Valve 真空止回阀
VCKV Vacuum Control Check Valve 真空控制止回阀
vacuum modulator check valve 真空调节器止回阀
vacuum control check valve 真空控制止回阀 ; 真空止回阀
VMCV Vacuum Modulator Check Valve 真空调节器止回阀
vacuum m control check valve 真空控制止回阀
Vacuum Breakers and Check Valves 真空断路器和单向阀真空短路阀和止回阀
I used propane to check for vacuum leaks.
我用丙烷检查有没有真空泄漏。
Hoses: Check radiator, cooling, heating and vacuum hoses for cracks and bulges.
软管：检查散热器、冷却、供热和真空等软管有无裂缝和膨胀处。
The TK-DL can test pressure vacuum breakers, reduced pressure backflow preventers or double check valve assemblies.
TK - DL可以检测压力真空断路阀，减压防回流阀或双止回阀总成。
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