To analyze every quality defeCts Of oil-tempered spring steel wire made in China, put forward appropriate improvement measures.

分析了国产油淬火-回火弹簧钢丝的各种质量缺陷，并提出了相应的改善措施。

youdao

Falling gas prices, a rallying stock market and gains in the job market all fueled Americans' shopping habits even as cold weather tempered their desire to buy spring fashions.

NPR: Retailers Report Modest Gains For April