ridge line屋脊: ridge; rigging; knuckle线: thread; string; wire脊线: [数学] edge of regression; line of regression屋脊: ridge; rigging; knuckle 世界屋脊 the roof of the world棱 脊线: ridge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:屋脊线，即可在微信中查询翻译
