Thee outer circle ring rod inner circle without prior processing and has certain precision.
圆棒的外圆和环形件的内圆需经事先加工并具有一定的精度。
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。
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。
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