Seamless pipe production process, there are two: Cross - rolling method ( Meng Mannesmann France ) and the extrusion method. 无缝管的生产工艺有两种: 斜轧法 ( 孟内斯曼法 ) 和挤压法.
从电视画面上看,许多木质房屋漂浮在水上.居民们从漂浮在水面上的残存物中寻找着他们的物品.Television pictures showed wooden homes flattened and residents searching through water - soaked debris for their belongings....
Successful prosecutions are possible but by no means guaranteed.成功起诉是可能的,但不是绝对的....the Director of Public Prosecutions...(英格兰以及威尔士的)检察官The two officers were being investigated by the director of public prosecutions.两名警官正...
直血管降支呈束状进入髓质.The descending vasa recta run in bundles into the medulla.髓质血流汇入粗而短的薄壁静脉.Blood from the medulla enters short, stout, thin - walled veins.某些近髓质肾小球具有两种出球小动脉.Some juxtamedullary glomeruli have two efferent arte...