切向切环cut: vt. (cut; cutting) 1.切,割,截,斩 ...ring: vt. (rang rung ) 1.鸣,敲(钟),摇( ...tangential cut: 不匀整的纸板;切线锯开; 弦向截tangential cut pressure: 切线切削压力ring cut: 卡箍造成的磨损; 扇形孔掏槽下载手机词典可随时随地查词查翻译