cutting pliers割线: secant; secant line; transve ...钳: pincers; pliers; tongs割线: [数学] secant; secant line; transversal闭割线: closed cut分割线: breakline; parting line下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:割线钳,即可在微信中查询翻译