A. The gear ratio from rear roller to servomotor: It is a important parameter to ensure the basic yarn length and space and it must count exactly.是什么意思_A. The gear ratio from rear roller to servomotor: It is a important parameter to ensure the basic yarn length and space and it must count exactly.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句