当前位置:百科知识 > 船舶动力装置试题

问题描述:

[单选] One method of constructing large marine diesel engines and reducing the total engine frame weight is through().
A.casting interlocking components B.welding plates to form sections for assembly C.forging integral components D.case hardening integral component
参考答案:查看
答案解析:
☆收藏

随机题目