bellows expansion joint_新英汉石油技术词典
bellows expansion joint
[新英汉石油技术词典]
bellows expansion joint波形膨胀节
是什么意思，bellows expansion joint的解释，bellows expansion joint的翻译
波形膨胀节
bellows expansion joint_新英汉石油技术词典bellows expansion joint
[新英汉石油技术词典]
bellows expansion joint是什么意思，bellows expansion joint的解释，bellows expansion joint的翻译
