It consists of a base and two ring type devices which can be worn onto the finger pad which is the most sensitive part of the finger.
它由一个基座和两个环状设备组成，可以套在指垫上，而指垫是手指上最敏感的部位。
2
At installation, insufficient compression of the sealing pad behind the carbon ring seal of the expander results in oil entrance to expander body and to the corresponding pipeline.
由于膨胀机碳环密封后面的密封垫片在安装时未被充分压紧，使膨胀机机体及相应管道进油。
3
Carried through kinematic analysis for napping the CMP process of ring polishing machine, and presented pace vector and track equation about one point relative to examination piece on polishing pad.