土木工程编译词汇V-2-SCIdict学术词典-北... ... 挥阀 Valve，insert 负压阀 Valve，negative pressure 止回阀 Valve，nonreturn ...
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negative pressure valve 负压阀 ; 负压活门
negative pressure relief valve 负释压瓣 ; 负压安全活门
negative pressure EGR valve 负压EGR阀
Working principle: piston moves from left to right, form a negative pressure pump cylinder, the liquid tank into the pump by the inhalation valve cylinder.
工作原理：活塞自左向右移动时，泵缸内形成负压，则贮槽内液体经吸入阀进入泵缸内。
How it works: the piston moves from left to right, form a negative pressure pump cylinder, then the suction tank fluid through the valve into the pump cylinder.
工作原理：活塞自左向右移动时，泵缸内形成负压，则贮槽内液体经吸入阀进入泵缸内。
Result shows that the negative pressure and the cavitation can be minished by improving the structure of the valve seat and core.
通过分析发现，如对阀座和阀芯的结构进行改进，可以明显减小负压值与气穴发生的程度。
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