congenital annular groove 先天性环状沟
seal with semicircular annular groove 半圆形油封槽
seal with annular groove 油封槽 ; 槽油封
internal annular groove 内置圆环槽
combination annular groove-axial labyrinth seal 复合式环形槽轴向迷宫式密封
An annular groove is arranged on an outer circular cylindrical surface of the brake disc.
在刹车盘外环柱面上有环形凹槽。
The lug boss is completely arranged in an annular groove at the right end of the piston head.
所述凸台全部置于所述活塞头右端的环状槽内。
The method of two-step core-pulling in forming the component with internal annular groove was introduced.
介绍了成型内置圆环槽结构制品的二步抽芯方法。
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