它由分配器本体、旋转阀心、定位轮、定位爪、油缸等组成。
The utility model is formed by a distributor body, a rotary valve core, a locating wheel, a locating detent, an oil cylinder and so on.
爪盘：车床上用来帮助定位、夹持以及驱动转动产品的部分。
WORKHEAD: Part of a machine that helps position, hold, and drive the rotation of the product.
密闭取心工具主要由外螺纹接头、平衡活塞、限位接头、内外筒、卡箍岩心爪、定位销、密封头、及取心钻头等部件组成。
Sealing coring tools mainly consists of external threaded adapter, balance piston, limit joint, inner and outer barrel, core catcher, locating pin, sealing head and coring bit.
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