Fly ash was a sort of industrial solid castoff which could be utilized again.粉煤灰是一种可再资源化的工业固体废弃物.The castoff produced in pig industry pollutes the air, the water, the soil and so on.规模养猪生产过程中产生的废弃物可对大气 、 水体和土壤等造成污染, 降低环境...
The factory has dumpaged its castoff into that river all along. As result, the river has been polluted.该工厂一直将其废弃物倾倒在那条河里. 结果, 那条河被污染了.The castoff produced in pig industry pollutes the air, the water, the soil and so on.规...
Situations of preparing isocyanate trimers at home and abroad are mainly introduced.主要介绍国内外异氰酸酯三聚体的制备状况.Polyether - type isocyanate prepolymers are prepared with polyether polyols and tolylene diisocyanate.采用聚醚多元醇和甲苯二异氰酸...
It took ten guardsmen to overpower him.10名警卫一起才将他制服。A company of guardsmen swung past.一队卫兵整齐地跑过去.The National Guardsmen were sent out to trench.国民卫队被派去挖战壕....
当时雷声大作,大滴大滴的雨点开始落下来.There was a loud crash of thunder and large drops of rain started falling.大滴泪珠在她眼中聚集,热泪滚下脸颊.Large tears gathered in her eyes and broke hot across her cheeks.雨正大滴大滴地从屋顶漏下来.The rain was leaking in large...