While many, diameter and great stones of river channel will be to use roller-type sieve.
而石子很多，直径又很大的河道就必须得使用滚筒式筛子。
2
This article advanced a general finite element analyse model which is suitable for any roller number for the roller-type overrunning clutch outer loop.
针对滚柱式超越离合器外环提出一种适用于滚柱数目为任意个的通用应力分析模型。
3
We have researched and developed the new producing technology and the shaped equipment of the trouble roller-type of the particle organism organic fertilizer production.