Note: Alloy special structural steel.

注: 特殊合金结构钢.

Industrial structural steel, machinery and piping.

工业结构钢 、 机器及管道.

It generally refers to the carbon structural steel and medium carbon alloy steel.

它一般是指中碳结构钢和中碳合金结构钢。

Use of high-quality carbon structural steel made of.

采用优质的碳素结构钢制作而成。

Black oxide film was prepared on alloy structural steel by electrochemical method.

采用电化学的方法在合金结构钢表面形成一层黑色氧化膜.

The main frame is welded structural steel to which are bolted the channel iron lift support beams.

主要框架是焊接结构钢，其中以螺栓渠道铁升降机来固定横梁。

Chrome plated tie bars, made from alloy and structural steel are designed and manufactured for high rigidity and wear-resistance .

拉杆由优质合金结构钢经严格的调质处理，精加工，镀硬制趁成，具有高强度和高耐磨性。

This type of sharpener made of high quality carbon structural steel, processed from the gantry structure of the fuselage;

该型号磨刀机采用优质碳素结构钢，加工而成的龙门式结构机身；

Marks off and fabricates structural steel and other metal stock to make or repair metal products and structures such as boilers and pressure vessels.

用结构钢材和其他金属材料制造或修理诸如锅炉及压力容器等金属制品。

Standard Specifications for Welding of Structural Steel Highway Bridge …

公路工程钢结构施工规范。