Adding air pressure within the annular space between the housing and sleeve can throttle, or close the valve.
在阀体外壳和套管之间的环形空间内施加气压，即可实现阀门的节流和关闭功能。
2
A trocar sleeve includes a trocar cannula and a trocar housing having a housing member base and a housing member cover.
一种套管针套筒，包括套管针套管和套管针外壳，所述套管针外壳具有外壳部件座和外壳部件盖。
3
The housing can be dimensioned to mount more than one electrical component diameter size by varying the dimensions of the sleeve, and in particular the thickness of sleeve.