常見例句雙語例句You can turn this troughing idler until you are blue in the face and you will see no results.你可以調節(jié)托輥卻沒有任何結果，即使調到你臉色發(fā)藍也是如此。The correct adjustment would be driving the side of the troughing idler forward as indicated by the arrow.正確的調整方法是：將托輥架向圖中箭頭所指方向移動。The only part of the troughing idler that hs any training effect on the conveyor belt is the center roll indicated by the arrow.如圖中箭頭所示：槽形托輥組成中對皮帶運行有實質影響的唯一部分就是中心托輥。 返回 troughing idler