I have seen those steel bars in the ruins. Many of them are substandard.
我明明看到很多废墟中露出的钢筋是不合格的。
This strong wall is made of concrete that is reinforced with steel bars.
这堵坚固的墙是用钢筋混凝土建造的。
Automatic counting of steel bars is a difficult problem in steel production.
棒材自动计数是钢材生产中的一个难题。
Automatic counting of steel bars is a difficult problem in steel production.
棒材自动计数是钢材生产中的一个难题。
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