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对镗杆振动学进行了研究,并总结了减小颤振的方法。
The study of dynamics is done for boring bar, and the methods are summarized to alleviate vibration chatter.
youdao
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戈公振(1990a)。中国报学史。上海:上海书店。
Ge Gongzheng(1990a). The History of China Newspapers.
youdao
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戈公振(1990a)。中国报学史。上海:上海书店。
Ge Gongzheng(1990a). The History of China Newspapers.
youdao