A steel branch pipe is a common constitution in pipeline engineering.
钢岔管是管道工程中常见的结构。
The bamboo production industry is the unique constitution of the light industry in our country. And it is also an important economic branch of the local industry.
竹产工业是我国轻工业中一个独具特色的组成部分，也是地方工业的一个重要经济部门。
The bamboo production industry is the unique constitution of the light industry in our country. And it is also an important economic branch of the local industry.
竹产工业是我国轻工业中一个独具特色的组成部分，也是地方工业的一个重要经济部门。
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