用批嘴检查Cross Drive不松动,翻译成英语怎么说?

用批嘴检查Cross Drive不松动,翻译成英语怎么说? 催化裂化中反应-再生系统中两器内、外松动点如何检查、试通? Cross cross cross cross, cross cross cross Please drive ( ) when you cross the street.A.care B.careful C.carefully D.more carefully drive... drive drive drive drive drive 求检查,11题可以不检查 火车停站时,车检人员用小锤击打车厢底部,就能检查出车轮和支撑弹簧部件是否松动和裂损请简述其中道理