从具有不同骨料粒度的立方浇注块中切出方形板块.Square slabs were cut from cubes cast with various aggregate sizes.此面积的大小由骨料粒度决定.The aggregate size determines the area.膨胀性粘土缺乏细料部分,故必须添加其它骨料.The lack of fine fractions in the expanded clay necessi...
这一新技术已经被用来鉴别胎儿的性别。The new technique has been used to identify the sex of foetuses.他的腿蜷缩在身下，就像胎儿的姿势一样。His legs were curled beneath him in a foetal position.缺氧可能阻碍胎儿的大脑发育。A lack of oxygen may inhibit brain development in t...
The fauna in the Joli Fou consists of bivalves and arenaceous forams.乔里富组内的化石主要是双壳类和砂壳有孔虫.With fecund and loose with the arenaceous qualitative soil with good drainage had better.以肥沃疏松和排水良好的砂质土壤为好.There cannot be arenace...