ball check valve是什么意思、英文翻译及中文解释大纲
ball check valve
词语: ball check valve
解释: 球形止回阀
词典: 进出口专业英汉词典
ball check valve 相关解释
ball check valve 〔名词〕球形截止阀
ball check valve 〔名词〕球形止回阀
球形止回阀 ball check valve;ball non return valve;ball nonreturn valve
球形止回阀 ball check valve