yoke pin hole center 叉臂销孔中心
The store also acts as a community center: Every so often, its second floor hosts workshops on making artisanal hand cream or shooting pin-hole photography or playing guitar.
除此之外，他们的店铺还扮演着社区活动中心的角色：店铺的二楼常常都有讲习班，讲习内容则是自制护手霜、拍摄针孔照片或是演奏吉它的技巧。
Pump wear parts are mainly drive shaft and bushing, passive gear center hole and shaft pin, pump shell lumen and gear, gear face and pump cover, etc.
齿轮泵的磨损部位主要有主动轴与衬套、被动齿轮中心孔与轴销、泵壳内腔与齿轮、齿轮端面与泵盖等。
The pin screw fits in the center hole of the camera plate.
别针螺丝适合照相机板材的中心孔。
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