seal-off bushing 密封套管
pack-off bushing 封隔衬套
Cutting-off bushing 下料环 ; 环形下料模
pack off bushing 封堵衬套
File off both bores to the hexagon of the insertion bushing using a needle-point file.
用细锉将两个孔锉成镶入衬套的六边形。
Tap-Lock Timing BELT pulley with Taper-Lock Bushing is easy on and off, it can be used on variable hubs due to Taper-Lock bushing Bushing bores.
使用锥面紧固衬套安装的锥孔同步带轮，安装、拆卸方便、以配用各种孔径的锥面紧固衬套，就可以适用轴径的安装、使用。
As the shut-off valve is seated, a passage 41 in its stem connects with ports 42 in the guide bushing 37 so as to allow inlet air to pass though the valve stem to a housing port 44.
在关闭阀是坐在座位上，一个通过41个在其干连接与港口42轴套在指南37，使空气入口，虽然通过的阀干，一个住房端口44。
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