把厚木板的一端用夹具固定在桌子的边上。Clamp one end of the plank to the edge of the table.工件夹持 装置叫做钻模或夹具.Work - holding devices are called jigs and fixtures.要使用一套定位夹具来精心地使外线圈保持在正确的位置上.The outer coil needs holding in position very carefully...
He pushed his bike up a steep hill.他推着自行车上斜坡。Such a steep descent in an airplane would have blacked out a fledging.飞机作这样的急速下降本来是会使缺乏飞行经验的人眼前发黑的.He climbed the steep cliff by getting footholds in cracks in the rock.他在岩石缝中...
Objective : To study the choice principle of innocuity and nutrition shampoo material dosage and collocate way.目的: 研究无毒营养洗发液原料的选择以及配制方法.Comparing with traditional flocculant the secondary pollution wasand the biofloccula...
“ 住手啊, 你凭什么这么狠打我?" Hold on, now , what'er you belting me for?我在他耳朵上狠打了一拳.I gave him a good box on the ear.生气的母亲给了她儿子一顿狠打.The angry mother gave her son a good spanking....