The technical content of construction steel is relatively low, it belongs to the more basic, lower-end steel. The scientific research and development are relative shortage of capital investment.
我国建筑用钢的技术含量较低，至今仍属于基础类、低档次钢种，科研开发资金投入相对不足。
The technical content of construction steel is relatively low, it belongs to the more basic, lower-end steel. The scientific research and development are relative shortage of capital investment.
我国建筑用钢的技术含量较低，至今仍属于基础类、低档次钢种，科研开发资金投入相对不足。
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