Tapering rod used to strike a cue ball in pool or billiards.
弹子球或台球中用来撞击母球的尖细的杆子。
Ball screw rod imported from Germany can assure the high speed and precision.
德国滚珠丝杆精度高，精确高，速度快。
Japanese ball screw rod and round rail, original screw nut, imported linear and square rail.
日本产滚珠丝杠，原配螺母，进口直线方形导轨。
Japanese ball screw rod and round rail, original screw nut, imported linear and square rail.
日本产滚珠丝杠，原配螺母，进口直线方形导轨。
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