铰孔是孔的精加工手法之一.Reaming is one of the finish machining methods of hole.铰孔或攻丝时,不要用力过猛, 以免折断铰刀或丝锥.Do not overexert when reaming holes or threading, lest breaking off the reamer or the tap.点位系统适用于钻孔 、 锪 孔、扩孔 、 铰孔 、 镗孔 、 攻丝等孔加工...
悲观的人,即使走在平坦的大道,也会被小石子绊跌.The pessimist stumbles over pebbles even on a wide and well - paved road.少年人扛磨石, 孩童背木柴,都绊跌了.Young men toil at the millstones; boys stagger under loads of wood.不一会儿他绊跌到捕熊人设的陷阱里.In a moment he stumb...
他们沿校墙挖沟.They dug a dike along walls of the school.挖沟以排水.Dig trenches to drain away the water.他们挖沟以阻止森林大火蔓延.They dug trenches to keep the forest fire from spreading....
During their summer holidays they cruised further afield to Normandy and Brittany.暑期他们乘船到更远的诺曼底和布列塔尼游览。Graf looked in awesome form as she cruised to an easy victory.格拉芙轻松取胜，看上去状态极佳。A black and white police car cruised pa...