钢的脱碳层深度测定结果怎样表示?
参考答案:
脱碳层深度的结果以毫米表示,也可以单边脱碳层深度钢材直径(或厚度)的相对的分数来表示。
He likes to play basketball very much. He wants to make by basketball in the future.
A. living; playing B. a living; playing C. a living; play
一哺乳患者,右乳内发现4cm大硬块,疼痛已两天,多为
A.乳癌B.炎性乳癌C.急性 * * 炎D.肉瘤E. * * 囊性增生病