It is seamless experts, construction steel prices fell mainly due to big gains the previous week.

据无缝管专家了解, 建筑钢价下跌主要为此前一周涨幅太大所致.

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Construction, steel demand, electricity consumption, car sales and air travel have all falling in recent months.

最近几个月,不论建筑业 、 钢材需求 、 耗电量, 还是汽车销量、飞机乘客的数量都在持续下降.

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Construction steel stocks also appeared a very unusual situation, with more substantial growth.

建筑钢材库存也出现了十分反常的情况, 以较大幅度增长.

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Development of fire - resistant and weathering construction steel weldable with high heat input and its typical use.

大线能量焊接耐火耐候建筑用钢的研制及应用.

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