check-valve ball是什么意思
中文翻译止回阀球
网络释义
1)check-valve ball,止回阀球2)pump check valve ball,止回阀球3)check valve,止回阀4)check valve,止回阀组5)static reflected wave,静止回波6)oil check valve,油止回阀7)nonreturn flap,止回瓣8)check valve seat,止回阀座9)checklever,止回杆10)check pawl,ratchet pawl,止回棘爪用法例句
Manufacture of great size check valve body seal surface;
大口径止回阀阀体密封面加工
Measure and analysis about the leakage rate in sealing test for metal-seated check valve covered in GB standard;
相关标准对金属密封副止回阀密封试验泄漏率的规定及分析
The model and application of check valve in power plant;
电站止回阀的选型及应用