例句與造句

1. Unwinding roller is made of stainless composite piping material , which has the following advantages : ( smooth on surface , non - pilling , non - knotting , non - slip - stick , unity in unwinding expansion , good core - spunned result ) , roller seat , driven chain , traction changing gear , adjustable bearing godet wheel , driven cover
   退繞羅拉：采用不銹鋼復(fù)合管材料制作，該種材料具有以下幾種優(yōu)點(diǎn)（表面光滑、卜掛絲、不纏絲、不打滑、退繞張力均勻、包芯效果好） 、羅拉托座、傳動鏈輪、牽伸變換齒輪、可調(diào)試軸承導(dǎo)絲輪、傳動防護(hù)罩。
2. It's difficult to find roller seat in a sentence. 用roller seat造句挺難的