They buttressed up the old building as it began to lean at a dangerous angle.
他们加固这座旧建筑，因为它的倾斜度已开始有危险了。
In suitable, thick type and the welding of building steel plate and Angle iron etc...
适用中、厚型结构件及建筑钢筋、角铁等焊接。
In suitable, thick type and the welding of building steel plate and Angle iron etc...
适用中、厚型结构件及建筑钢筋、角铁等焊接。
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