... pusher 推进器；顶出器；四面体 pusher block 推杆，撞杆 pusher relay 推杆式继电器 ...
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block pusher 推钢机
Featured with compact needle sets and steel book block pusher, SXB can provide high quality and consistent products for you.
该机采用细针、细针距，出书机构采用铁板推出，大大提高了产品的质量和稳定性。
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