赛斯专业词典
ball and seat valve
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ball-and-dish seat type valve
球及球座型阀
Valve and Valve Seat
气门与气门座
ball and seat
碎石
道碴
ball valve seat
球阀座
ball-and-seat
单流阀
centering ball and seat
中心球和座
gas valve valve seat
气门-门座
Valve-valve seat
气门-气门座
3-way ball valve
三通球阀
allwelded ball valve
全焊接球阀
aluminium ball valve
铝球阀
antidetonation electric control pneumatic switch ball valve
防爆电控气动开关球阀
automatic ball valve
自动球阀
分子识别技术
自重球阀
Ball and beam
球棒系统
ball and beam system
球杆系统
球杆
ball and bucket viscometer
球斗式粘度计
Ball and cage
保持架
ball and cage universal joint
球笼式万向节
ball and chain
锁链
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体位治疗structure traitCap harmonic analysisKeeping Internal Pressureelectricoptical samplingElectromagnetism产业监管fuzzy expected rate of return应剪力