双语例句
Nitrogen and oxygen determinations were made with LECO equipment extracting the samples from the broken ends of the tensile specimens.
氮和氧决心由LECO 设备从抗拉的样品的被中断的末端中抽出样品做出。
This paper is about determiniting oxygen and nitrsiogen simultaneously in metals with TC 436 O/N determinater LECO corporation.
对脉冲惰气熔化法同时测定金属中氧、氮进行了研究。