crank arm pin 拐份销 ; 倒片揺把销
rocker arm pin clip 摇臂销夹
Rocker arm pin 摇臂销
crosshead arm pin [机] 十字头臂圆销
cross arm pin 横担销针
lift arm pin bore surface 提升臂销孔表面
steering arm pin 转向臂销
shaft arm pin 轴臂销
arm spool pin [五金] 插线钉
Modified by removing sides of pins equally to produce width. Flats on each pin must be parallel to respective wrench arm.
可以通过拆卸插脚的两侧来改进，效果相当于改变宽度。每个插脚的平面必须平行于各自的扳手叉臂。
It consists of steering wheel steering shaft worm gear sector pitman arm drag link steering knuckle arm king pin steering arms tie rod front axle and steering knuckle.
转向系统包括转向盘、转向轴、蜗杆、扇形齿轮、转向摇臂、直拉杆、转向节臂、主销、转向臂、转向直拉杆、前轴和转向节。
Guide vane operation structure includes the guide vane arm clip board, guide vane arm, segmental keys, connection board, handle, cut pin, connecting rod pin and gland, etc.
导叶操作机构主要包括：导叶臂压板、导叶臂、分瓣键、连接板、耳柄、剪断销、连杆销及压盖等。
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