parallel-roller bearing 平行滚柱轴承
parallel roller 平行托辊
Parallel roller - 平行托辊
parallel of roller shaft 罗拉轴平行度
A roller conveyor is disclosed that constitutes a conveying path with plural rollers arranged in parallel.
本发明公开了一种辊式输送机，该辊式输送机利用多个平行设置的辊构成输送通路。
The driving direction of the oil cylinder (5) is parallel to the connecting line of shaft centers of the air extruding roller (2) and the double-layer roll combining roller (1).
油缸（5）推 动的方向与挤气滚筒（2）和双层合卷滚筒（1）的轴心连线相平行。
Idler roller can be divided into groove, parallel to the roller, spherical roller, buffer roller, roller screw, corrosion-resistant roller, vertical roller block;
托辊可分为槽形托辊、平行托辊、调心托辊、缓冲托辊、螺旋托辊、耐腐蚀托辊、立挡辊等；
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