He kept battering away at the door.他接连不断地砸门....boys who witness fathers battering their mothers.目睹父亲殴打母亲的男孩们They were battering the door, they were breaking in...他们正在使劲捶门，就要闯进来了。They were battering the door, they were br...
红外产品标配原装进口LED发光管, 打光均匀, 寿命长.Imported product comes standard with IR LED light tube, lighting uniformity, long life.在砷化镓衬底上异质外延磷化镓的表面缺陷与绿色发光管 ( 摘要 )Surface Defects of Heteroepitaxial Layers of GaP on GaAs Substrates and G...
The method and the condition of separation epoxy ethane from dihydric alcohol are described.介绍了环氧乙烷与二元醇的分离方法和条件.The Preparation method of cheap aluminium dihydric phosphate and its application in refractories have been i...