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on-off servo mechanism
释义
on-off servo mechanism
开关伺服系统
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sea-lab
sealability
sealable tank
seal air pipe
seal-air pressure
Sealalloy
seal a mountain pass
Sea-Land method
sealand service incorporation
sea lane
seal angle
sealant
sealant compound
seal apron
seal assembly
seal bellows
seal boot
seal box
seal by arrow-like ring
seal by bimetallic O-ring with teflon
seal by direct contact of conical faces
seal by double conical frustum
seal by double knife-edges double knife-edge seal
seal by duplex conical gasket
seal by elastomeric delta gasket
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更新时间:2024/12/27 0:31:13