基本解释双边筒管英汉例句双语例句A ratchet mechanism transfers the thread from spool to bobbin.一种棘齿装置把线从线轴转到梭心上。bobbin spool更多例句词组短语短语spool bobbin 单边纬管spool bobbin size 卷取轴尺寸;收线盘标准尺寸bobbin spool更多词组