The screw claw is embedded in the chuck. The nut is equipped on the chunk. The sizing board with an arc is connected with the screw claw by a bolt.
主要由丝爪、螺母、卡盘、定径板组成，丝爪镶嵌在卡盘内，螺母装 在卡盘上，带有弧度的定径板通过螺栓和丝爪相联。
The screw claw is embedded in the chuck. The nut is equipped on the chunk. The sizing board with an arc is connected with the screw claw by a bolt.
主要由丝爪、螺母、卡盘、定径板组成，丝爪镶嵌在卡盘内，螺母装 在卡盘上，带有弧度的定径板通过螺栓和丝爪相联。
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