单词	contact ring
释义	contact ring 接触环,接触圈
随便看	Pneumaticballon dilatation Pneumatic balloon dilation pneumatic ball valve pneumatic band saw pneumatic barrier pneumatic barring down tool pneumatic bead expander pneumatic bearing pneumatic-bearing pneumatic bell hoist pneumatic bellows pneumatic bellows gripper pneumatic belt sander pneumatic bench sand rammer pneumatic bit grinder pneumatic blending and conveying pneumatic block pneumatic blowed fill pneumatic blowing system pneumatic blowoff cock pneumatic blow pipe pneumatic boad pneumatic boat pneumatic bone pneumatic bone saw