covarkovar科: a branch of academic or voca ...伐: fell; chop; cut down科伐尔: covar; kovar科伐丝: kovar wire镀金科伐线: gold-plated kovar wire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:科伐，即可在微信中查询翻译
