reciprocating air pump
reciprocating air pump
[机械英汉词典]
reciprocating air pump活塞式气泵
是什么意思，reciprocating air pump的解释，reciprocating air pump的翻译
[汽车英汉词典] reciprocating air pump
reciprocating air pump
[机械英汉词典]
reciprocating air pump是什么意思，reciprocating air pump的解释，reciprocating air pump的翻译
[汽车英汉词典] reciprocating air pump