... 压力密封阀盖 tight bonnet ; PSB pressure seal bonnet 压力密封试验 pressure integrity test 压力密封式 PRESSURE SEAL BONNET ...
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pressure-tight bonnet 压力密封的阀盖 ; 压力弥缝的阀盖 ; 压力密封阀盖
The valve bonnet may now be removed. There may be slight leakage, as the metal-to-metal backseating does not provide a drip-tight seal.
现在可以拆卸阀门的阀盖。当金属-对-金属后座无法提供无滴漏密封时，可能会有点泄漏。
The valve bonnet may now be removed. There may be slight leakage as the backseat does not provide a drip-tight seal.
现在可以拆卸阀盖。如果后座无法提供无滴漏密封，则会有轻微的泄漏。
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