head valve
[海运英汉词典]
head valve(湿空气泵的)上层止回阀
是什么意思,head valve的解释,head valve的翻译
[消防英汉词典] head valve
[纺织英汉词典] head valve
[航海英汉词典] head valve
[船舶英汉词典] head valve
[进出口英汉词典] head valve
head valve
[海运英汉词典]
head valve是什么意思,head valve的解释,head valve的翻译
[消防英汉词典] head valve
[纺织英汉词典] head valve
[航海英汉词典] head valve
[船舶英汉词典] head valve
[进出口英汉词典] head valve