seal ring holder
seal ring holder
[航海英汉词典]
seal ring holdern.密封圈座
是什么意思,seal ring holder的解释,seal ring holder的翻译
[船舶英汉词典] seal ring holder
seal ring holder
[航海英汉词典]
seal ring holder是什么意思,seal ring holder的解释,seal ring holder的翻译
[船舶英汉词典] seal ring holder