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The screw and gunk of the unit are treated with good nitrided steel and are characterized long service life. 本装置的螺杆和料筒均采用优质氮化钢经离子氮化处理，使用寿命长，螺杆头部装有止逆环，可减少注射时物料沿螺杆的回流。
The main parts of the exchanger are all adopt nitrided steel and through nitrogen treatment, so as to guarantee the exchanger wearproof. 换网器主要部件全部采用氮化钢并氮化处理，从而保证换网器不磨损。
The effects of matrix strength on three-point bent fatigue strength for the nitriding parts made from the nitrided steel have been studied by changing tempering temperature during pre-treatment. 通过改变预处理回火温度，研究了基体强度对氮化钢渗氮件三点弯曲疲劳强度的影响。
screw and barrel in high-grade nitride steel, screw diameter 25 mm and l/d ratio of 30. 螺杆和机筒材质由高级氮化钢构成，螺杆直径25毫米，长径比30。
Here we are in the yard of the steel mill. 这儿就是不锈钢厂的料场。
On the outskirts they passed a steel mill. 他们在郊区从一家钢铁厂前面经过。
The concrete walls are reinforced with steel rods. 混凝土墙是用钢筋加固的。
He is in charge of the operation of the steel mill. 他负责这家钢厂的经营工作。
That thin red line tipped with steel. 那根细细的红线末端装有钢头。
That boat is done with the steel plate. 那艘船是用钢板做的。
It's a bridge of steel framework. 那是座钢铁结构的桥梁。
This cup is made of stainless steel. 这只杯子是不锈钢做的。
The steel market will continue to be active. 钢材市场将会继续保持活跃。
The nitride on oxide layers remains intact. 氧化物表层上面的氮化物保持原状不动。
Some glass-hard steel is homemade. 一些有最高硬度的钢是自制的。
A cargo of steel was lost at sea. 有一货轮的钢材在海上遗失了。
Iron and steel are of great use. 钢和铁有很大的用处。
Here is the steel assigned for your company. 这是分配给你们公司的钢材。
Comparative study on nitride and phosphide . 因此，较大的还原气空速易于形成较高的催化剂比表面积。
The price of steel jump sharply last year. 去年钢材价格急剧上涨。