单词：under-reaming
扩孔
under-reaming的用法和样例：
例句
- One technique is to use power reaming to penetrate the first cortex and then switch to hand reaming.可以用电钻突破第一层皮质，然后换成手摇钻扩孔。
- The effects of water jet parameters and drill motion parameters on the soil reaming were investigated by an indoor test.通过实验，研究了射流参数和钻杆运动参数对扩孔效果的影响。
单词：under-reaming 相关文章
California Dreaming Mamas and Papas All the leaves are brown and the sky is grey I've been for a walk on a winter's day I'd be safe and warm if I was in L.A. California dreaming on such a winter's day! Stopped into a church I passed along the way Wel
发表于:2019-01-03 / 阅读(133) / 评论(0)
英语金曲精听
英语金曲精听
爸爸妈妈乐队（The Mamas and the Papas）成立稍晚于沙滩男孩组合(The Beach Boys)，虽然没有能像沙滩男孩那样大红大紫，但也有过一段灿烂的辉煌：他们的《加州之梦》(California Dreaming)自从1966年问世以来，可以说是传唱不衰，风靡全球；看过《重庆森林》或是《阿
发表于:2019-02-04 / 阅读(166) / 评论(0)
音乐咖啡厅
音乐咖啡厅