英国煤层的平均厚度为1米。The average UK coal seam is one metre thick.他正忙于勘探煤层.He is busy with proving up a coal deposit.煤层的炭化程度取决于温度.The degree of carbonization of coal depends on the temperature....
The CCC 、 CQC 、 CE & CB Certifications for Motors were introduced.介绍了目前电动机的CCC、CQC、CE 以及 CB认证的基本情况.OBJECTIVE : To prepare aciclovir ( Acv ) carbomer ( Cb ) ethylcellulose ( Ec ) microspheres with good bioadhesion and sus...
He uncoiled the hose and gave them a thorough drenching.他把软管铺展开来，把它们彻底冲洗了一下。I reached Kilmarnock in the early morning in drenching rain.我一大早就冒着瓢泼大雨到了基尔曼诺克。The three of us set off, our wheels skidding crazily under that d...