国产成人在线视频,精品国产免费一区二区三区香蕉,浙江妇搡BBBB搡BBBB,91久久久久国产一区二区,国产成人a亚洲精品

產(chǎn)品：夾具
產(chǎn)品特性:

■夾具以內(nèi)撐方式夾緊工件，以內(nèi)錐面定心，精度高，內(nèi)撐力均勻，適用于以內(nèi)孔和端面定位的薄壁形工件。
■The clampings jamming component , centering by inner taper surface ,high accuracy and equal jamming force suitable for machining thin workpiece that located by the inner hole and end surface.