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污垢检查
1、remove dirt───清除污垢
2、check check───检查检查
3、dirt cheap───特别便宜，相当便宜；adj.& adv.非常便宜的
4、batture dirt───板条污垢
5、diaphanous dirt───透明污垢
6、diggable dirt───可挖掘的泥土
7、dirt roads───泥土路
8、check───n.支票；制止，抑制；检验，核对；vt.检查，核对；制止，抑制；在…上打勾；托运；vi.核实，查核；中止；打勾；[象棋]将一军；n.（英）切克（人名）
9、dirt───n.污垢，泥土；灰尘，尘土；下流话
1、The use of process, to regular cleaning the dust and components in cutting machine of dirt, check the wiring whether ageing phenomenon, etc.───使用过程中，要定期清理切割机内灰尘和元件上的污垢，检查电线是否有老化现象等。
2、Open the smoke chamber of boiler; check the seal patch and smoke dirt to decide if it needs to clean up or replacement.───打开锅炉的前后烟箱门，检查密封垫片及烟垢，以决定是否更换和清理，同时检修浇注的耐火混凝土和密封石棉垫（绳）；
3、Find the time to check out your surroundings, talk to neighbors, watch the sky, sit with a pet, water the garden by hand, or watch your kids play in the dirt by themselves.───去找个时间，检查一下周围的环境，和邻居聊聊天，看看天空，和自己的宠物坐上一小会儿，亲手浇浇花，或者，看看你的孩子是如何开心地在泥巴里打滚吧。
4、Note: Check marks on valve before installation to see if the certificate of acceptance conforms with the requirements of application . Clean up dirt from the valve after it been checked .───注：安装前必须核对阀门上标志、合格证是否符合使用要求，核实后清除污物。