它还可验证新安装设备是否无泄漏。
是目前应用最广泛的无泄漏泵。
广泛的试验，以确保整个系统是无泄漏。
Extensive tests are done to ensure that the entire system is leak proof.
检查有无泄漏。
采用双机械密封，安全无泄漏，可承受更高的工作压力。
Double mechanical seal, No leakage, Can bear higher working pressure.
壳牌一名发言人说：“无泄漏是合民意的，而且我们已经大有进步。”
A Shell spokesman said: "No spill is acceptable and we have made progress."
理想状态下，泵内部无泄漏，那么泵的流量与转速成正比。
Ideally, the internal pump leak, then the pump is proportional to the flow and speed.
止回阀模块通过螺纹旋进阀门适配器内，提供无泄漏运行。
Check modules are threaded into the valve adapter for leak proof operation.
止回阀模块通过螺纹旋进阀门适配器内，提供无泄漏运行。
Check modules are threaded into the valve adapter for leak proof operation.
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