SANS 1431号《可焊接的钢结构》（Weldable Structural Steels）； SANS 1491-1号《波特兰水泥填充剂——第一部分：粒化高炉矿渣》（Portland Cement
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钢结构件制造中，预留合理的焊接收缩量，可减少不必要的加工工序。
Provided that the reasonable welding shrinkage allowance is reserved during the manufacture of steel structure products, the unnecessary machining procedure can be avoided.
和XL系列的气动托盘是一款重型，钢结构焊接设备，可承受载重量达到150,000磅。
Series "l" and Series "XL" Air Platforms are heavy-duty, welded steel structures designed for carrying large loads up to 150,000 LBS.
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