A thermal process to toughen the high carbon steel by providing more ductility is ______
A.
Tempering
B.
Spheroidizing
C.
Case hardening
D.
Annealing
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【单选题】During inspection of oil and oily mixtures from machinery spaces, which of the following factors should be taken into account by the PSCO? 1The quantity of oil residues generated. 2The capacity of slu...