balanced mechanical seal
balanced mechanical seal
[汽车英汉词典]
balanced mechanical sealn.平衡型机械密封
是什么意思，balanced mechanical seal的解释，balanced mechanical seal的翻译
[机械工程英汉词典] balanced mechanical seal
balanced mechanical seal
[汽车英汉词典]
balanced mechanical seal是什么意思，balanced mechanical seal的解释，balanced mechanical seal的翻译
[机械工程英汉词典] balanced mechanical seal