这个阀件关不死，请修理或调换。
This valve cannot be closed tightly. Please repair it or have it changed.
汽蚀可使阀内件的表面产生磨痕、深沟及凹坑。
Cavitation can make the surface trim have worn, and deep pits.
从进口球阀下面连接件拆卸安全阀软管。
Remove the relief valve hose from fitting below inlet ball valve.
针阀偶件是柴油机的一个非常重要的零部件。
Needle valve partner is a very important component of a diesel engine.
下列是较流行的材料和阀内件。
提出了一种新颖的针阀偶件设计方案。
The design proposal of a novel needle valve assembly is given.
提出了一种新颖的针阀偶件设计方案。
The paper gives construction magic square of even by descnt method.
提出了一种新颖的针阀偶件设计方案。
The paper gives construction magic square of even by descnt method.
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