?锥形座阀
... bevel seated valve锥形座阀 bevel seated velve锥形座阀 bevel square量角规 ...
?斜座阀
... DSBV double-seated ball valve 双座球阀 bevel seated valve 锥形座阀 ; 斜座阀 soft-seated valve 软座阀 ...
英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。