The bearing strength of DF - 5 AS bimetal inlaid self - lubricating slide.DF-5AS双金属镶嵌自润滑滑块的承载能力.DF - 31 A is a more efficient way to counter their wild ambitions.用DF-31A来对付他们的野性将更有效.These parameters of DF group were lowe...
Objective To study on clinical, pathological, radiological feature and treatment of the desmoplastic fibroma ( DF ) in the calvaria.目的探讨颅骨硬纤维瘤 ( desmoplasticfibroma,DF ) 的临床 、 病理 、 放射学特征及治疗方法.These parameters of DF group...
这些分子链彼此缠绕，形成缆线状的结构。These strands of molecules twine around each other to form cable-like structures.他们手脚并用，爬上了一片成陡直梯田状的橄榄林外面的石头围墙。They clambered up the stone walls of a steeply terraced olive grove.他的头发精心地梳成了波浪状的卷发。His h...
He is one of this country's top professional sportsmen.他是本国的顶级职业运动员之一。He is one of this country's top professional sportsmen.他是本国的顶级职业运动员之一。The sportsmen are determined to be a credit to their country.运动员们决心为国增...
This chapter describes methods of estimating airborne pollutant concentration distrubutions associated with various emission sources.本章论述几种有关各种排放源的大气污染物浓度分布的估算方法.A pre - dicing method for calculating the distribution of ...