back shoulder roll 中文意思是什麼

back shoulder roll 解釋
單肩向後屈體滾翻
  • back : n 1 背,背部;背脊;背面,反面;背後,後部,後面,裏面。2 (指)甲;(刀)背;(手)背;(書)背...
  • shoulder : n 1 肩,肩膀;〈pl 〉雙肩;肩背;〈比喻〉擔當的能力;【動物;動物學】(昆蟲的)肩角,前角,中胸角...
  • roll : vt 1 滾,轉,推滾(桶、車輪等),使(煙、塵土)滾滾上升,滾滾推進(浪、水等);滾動,溜轉(眼睛)...
  1. Xm ) trundle needle, trundleing the post thrust bearing trundles the needle through the roll part of the body, cylinder roller and thrust maintain shelf and the thrust bed down the livestock to make up, trundleing needle and the cylinder roller is subjected to the shelf maintaining that the thrust maintains and guides. moreover thrust bed down the livestock against the difference, shaft, the pedestal encircles and employs in company, fix module shaft shoulder end face and the shell opening back plane dimensional tolerance, geometry accuracy, rigidity, axial is moved up and down, coarse degree ought to accord with the internation , national standard stipulation demand

    滾針,滾柱推力軸承由滾動體滾針,圓柱滾子及推力保持架和推力墊圈組成,滾針和圓柱滾子受到推力保持的保持架引導,並與不同的推力墊圈,軸,座圈一起使用,安裝組件的軸肩端面和外殼孔底面的尺寸公差,幾何精度,剛性,軸向跳動,粗糙度應符合國際,國家標準規定的要求。
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