This may be due to improper assembly, dirt and impurities mixed or parts corrosion.
这可能是由于装配不当，脏物及杂质混入或零件腐蚀。

And,indeed, accumulating evidence strongly suggests that eating dirt is good for you.
的确，越来越多的事实表明，吃些脏东西是对你有好处。

Heavy accumulation of dirt , grease , mold, or other foreign material on any surface.
在许多表面有严重的污垢, 油脂, 霉或其它异物堆积。

A micro dirt sensor allows the air purifier and its fans to adjust to the indoor air.
微型传感器让污垢和空气净化室内空气调节歌迷。

Discussions on the Dirt Inhibition Countermeasures of Ash Water System in Boiler Room
燃煤锅炉房灰水系统阻垢对策探讨

Application of ultrasonic assist on carry oil pipeline removal and prevention of dirt.
超声波辅助法在输油管道除垢、防垢中的应用

The accumulation of oil dirt will thus decrease refrigeration efficiency of the system.
油垢的积存降低了系统的制冷效率。

This special quality of the soap molecule allows it to suspend oils, which attract dirt.
肥皂的这种特性可以把吸收赃物的油分子架空。

Researchers believe that exposure to dirt and bacteria builds up babies' immune systems.
研究人员认为接触尘土和细菌会增强宝宝的免疫系统。

He doesn't lead a life of abundance, but he throws away money like dirt when buying books
他过得并不富裕，但在买书时他向来是千金一掷。

These chemicals are applied to fabrics to aid in the removal of dirt and oil born stains.
这些化学品用于织物，以去涂污物和油类产生的污点。

Dust dirt and method of the what after dirty stuff is allergic can be eliminated quickly!
灰尘灰尘以及脏东西过敏后什么方法可以快速消除!

Study on Relationship among Airborne Dirt, Raising Sand, Sand Storm and Dustfall in Hotan.
和田降尘与浮尘、扬沙、沙尘暴关系的研究

I want this place cleaned so that there is not one job or tittle of dust or dirt anywhere.
我想请人将这个地方打扫一下，使它到处一尘不染。

While for closestool the surface brings stereo sense, accumulate pay dirt more easily also.
在为马桶表面带来立体感的同时, 也更轻易积纳污垢。

Ah, well, shit! Im going to take a walk wash the dirt out of my belly. Dont forget, tomorrow!
我要去散步把肚子里的脏东西冲出来。别忘了, 明天!

I have dug myself up from dirt to afford these things and no one is gonna take them away from me.
我含辛茹苦才买来的东西 谁也别想把它们抢走。

TREATMENT OF DIRT AND SCALE FORMATION IN AIR FILTER AND HEAT EXCHANGER OF AIR CONDITIONING SYSTEM
空调机组过滤器及换热设备结尘，结垢的处理方法

She rubbed her fingers through the dirt, and grabbed a handful of grass to wipe between her legs.
她用泥土擦拭手指，并拔了一把草抹去大腿间的血迹。

Dirt, bacteria, and makeup left on overnight can irritate skin, clog pores, and trigger breakouts.
超过一夜的灰尘，细菌和化妆刺激皮肤，堵塞毛孔。

Water, dirt, oil, or excessive dust should not be allowed to accumulate around electrical equipment.
在电器设备的周围不能积存水, 油, 脏物或灰尘。

the attraction of lint and fibers to shoes and pants legs, and the attraction of dirt and soil to cloth.
鞋面和裤腿上会吸附绒毛和纤维。衣服上会吸附尘埃。

Any speck of dust or dirt inside the tube assembly will end up on the films emulsion side during the exposure.
镜筒里的灰尘最后总是会粘在胶片上

You can also lightly mist a natural basket and use a vegetable scrub brush or toothbrush to remove accumulated dirt and dust.
你也可以用喷雾或丝瓜茎或者牙刷擦去篮子上的积灰。

Research on Caving Rule of Top Coal in Thick Seam Containing Dirt Band with Unstable Thickness and Improvement of Recovery Rate
含不稳定中矸厚煤层顶煤冒落规律及提高回收率的研究