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- swap steels for oil 用钢材交换石油
- The effect of rolling processes on microstructure and properties of non quenched and tempered steels for oil well tube with various composition was studied. 研究了轧制工艺对不同成分的非调质油井管钢组织与性能的影响,并分析了不同组织对韧性的影响。
- Using the software MARC/AutoForge3.1, a three-dimensional thermo-mechanical coupled elasto-plastic Minite Element Method (FEM) was used for simulation of a two-pass tube tension-reducing process of 33Mn2V steel for oil well tubes. 利用MARC/AutoForge3.;1元件;使用三维弹塑性热力耦合有限元方法模拟采用新型油井管用钢33Mn2V热轧制管的双道次张力减径过程;并直观地显示了三维管件材料内部和表面不同方位的金属流动、应力、应变和温度演化情况
- Due to higher content of residual deleterious elements in scrap, the arc furnace charging should contain iron/hot metal or DRI in definite proportion to decrease the content of residual deleterious elements in steel for oil well. 因废钢中残余有害元素含量较高 ,为降低油井用钢的残余元素含量 ,应在电弧炉炉料中加入一定比例的生铁 (铁水 )或直接还原铁
- There were prospecting for oil in the desert. 他们那时正在沙漠中勘探石油。
- Some geologists are prospecting for oil here. 一些地质学家在此探勘石油。
- They are prospecting the region for oil. 他们正在该区勘查油矿。
- A fall in demand for oil tankers has put jobs in jeopardy. 油轮需求量的下降使很多工作职位受到威胁。
- grade G105 steel for oil drill pipe 石油钻杆用G105级钢
- Tom bought in five tons of steel for 600 dollars . 汤姆花六百美元买进五吨钢。
- Fatigue bet of 20CrMo steel for Grade D sucker rod. D级抽油杆用20CrMo钢疲劳试验
- They shouldn't depend on foreign countries for oil. 他们不应当依赖外国的石油。
- Tungsten is used to fortify steel for cars. 钨可以固化钢铁来生产汽车。
- The substitution of coal for oil is desirable. 以煤代替石油是可取的。
- Today professional geologists prospect for oil. 现今职业地质学家勘探石油。
- Normal formed steel for refrigerator casing, oil barrel, steel furniture, etc. 冰箱等家电外壳、油桶、钢家俱等一般成形加工用。
- The arithmetic searching for oil is stark. 寻找石油的等差级数是严格的。
- They're drilling for oil off the Irish coast. 他们在爱尔兰沿海钻井探油。
- They meant to have used this kind of steel for the new machines. 他们本来打算用这种钢材制造新机器。
- Electrostatic safety technique requirement for oil. 油船静电安全技术要求。
