“ribbed bar”簡單造句，ribbed bar造句子

Gap of ribbed bar quality between China and international advanced level;

Design and research on high speed straightening system of hot rolled ribbed bar

Current application situation of 400MPa hot rolled ribbed bar in China and some suggestions for its development;

From controlling the initial rolling temperature and declining the end rolling temperature, improving the mechanical reference of ribbed bars.

Analysis on cracking at head of tensile sample of hrb335 hot rolled ribbed bars