Deduced two egutions of classical V-belt drives limtt velocity and epu-mum velocity on the ground of V - belt power ratings calculating formula.是什么意思_Deduced two egutions of classical V-belt drives limtt velocity and epu-mum velocity on the ground of V - belt power ratings calculating formula.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句