The belt conveyor is best not to use this method, because the use of the center roller group will have a certain impact on the life of the belt.
而长皮带运输机最好不采用此方法，因为调心托辊组的使用会对皮带的使用寿命产生一定的影响。
As if to heed its call, hundreds of roller-skaters formed a giant smile in Place Vendome in the city center on Sunday.
好像是为了响应旅游局的号召，几百名滚轴溜冰爱好者上周日在市中心的凡登广场组成了一个巨大的笑脸。
The smashing roller clearance adopts the fore-and-aft wheel acentric type adjustment, the roller center adjust agilely and simply.
粉碎辊间隙采用前后轮偏心式调节，辊轮中心调节灵敏、简单。
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