corrugated roll,grooved roll是什么意思

用法例句

Analysis of Inner Surface Rills and Deformation of High Alloy Steel Pipe in Centrifugal Casting;

高合金钢离心铸管内表面沟纹和变形分析

A case of Papillon-Lefèvre syndrome with fissured tongue;

Papillon-Lefèvre综合征伴沟纹舌1例

Results Nasolabial furrow wrinkles completely disappeared 3 days later, and the effects lasted from 3 to 6 months.

目的研究A型肉毒毒素治疗鼻唇沟纹的方法,以期达到较佳的除皱效果。