secondary shaft

基本解釋

The cylindrical secondary roller is positioned behind the main roller, the secondary roller is compressed on the plastic film, and the rotating shaft of the secondary roller is horizontal.
主壓輪后邊有一個(gè)圓柱形的次壓輪，所述的次壓輪壓緊在塑料膜上，所述的次壓輪的旋轉(zhuǎn)軸水平。
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The spokes are inserted through the center of a sliding block and the sliding block slides along the spokes radially. The secondary shaft and the sliding block are connected by a chain bar.
滑塊由輪輻從中間穿入并沿輪輻徑向滑動(dòng)，副軸和滑塊之間用鏈桿連接。
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The secondary lining of the inclined shaft can effectively bring the deformation under control.
二層支護(hù)（套拱）的方法能有效控制變形；