钻开牙齿, 去除腐坏的牙质.Give local anesthesia . Drill to open a tooth, clean dentine.结论: 空气喷砂机所制备洞形可保留更多正常牙质,有利于复合树脂材料的充填.COUCLUSION: The cavity which made with air - abrasion has more normal dentine and is suitable to resins....
联合收割机把庄稼绕田边割了一长条。The combine had cut a swathe around the edge of the field.他就是发明联合收割机的人.He was the man who invented the combine harvester.一只兔子被卷到收割机的刀刃中去了.A rabbit got caught in the blades of the reaper....
用水把涂料稀释到牛奶般的稠度。Dilute the paint with water until it is the consistency of milk.用水搅拌水泥,直到你认为合适的稠度为止.Mix the water into the cement until you get the right consistence.请把面粉和牛奶调到适当的稠度.Mix flour and milk to the right consiste...
Such as grain sheet rubber, it play the role of derrick and inflaming retarding.如有纹理的橡胶片, 这种材料可起到防滑、阻燃等功能.The hoisting capacity of that gin pole ( girder pole, guy derrick ) is sixty tons.那个起重抱杆 ( 格状抱杆 、 转盘抱杆 ) 的起重能力为60吨...