调整了筒体倒锥体的角度及环缝隙的距离，并改进了搅拌器的分散叶片的结构和制作。
The Angle of conical structure and the distance of round aperture were adjusted, the structure and production of distribution blade of blender were improved.
通过调整压环与锚头之间的距离来确定锚杆的锚固长度。
The anchorage length of bolt can be controlled by adjusting the distance of anchor-boot and pressing ring.
通过调整压环与锚头之间的距离来确定锚杆的锚固长度。
The anchorage length of bolt can be controlled by adjusting the distance of anchor-boot and pressing ring.
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