valve pot type piston pump_海运英汉词典
valve pot type piston pump
[海运英汉词典]
valve pot type piston pump阀箱式活塞泵
是什么意思，valve pot type piston pump的解释，valve pot type piston pump的翻译
[进出口英汉词典] valve pot type piston pump
阀箱式活塞泵
