半: halfv: a V-belt 【机械工程】三角皮带。 A ...形: form; shape焊: weld; solder半v型坡口: single bevel-groove半v形坡口: single bevel groovev 形焊缝: glut weldv形焊缝: bevel weld; v-weld两圆形件间v形焊缝: flare-v weld半: Ⅰ数词1.(二分之一) half 半年 half a year; six months; 一天半 one and a half days; 减半 reduce by half2.(在 ... 中间的) in the middle; halfway 半山腰 halfway up a hill; 夜半时 in the middle of the night; 工作到深更半夜 burn the midnight oil3.(比喻很少) very little; the least bit 一星半点 very little; a wee bit; 他连半句话都不说。 he wouldn't breathe a word.Ⅱ量词(常和“一”、“两”组合成“一半”、“两半”等) 把它切成同样大小的两半。 cut it into two exact halves. 这些书有一半是德语的。 half of the books are in german. 这些学生一大半来自农村。 the students are, for the most part, from the villages.Ⅲ副词(不完全) partly 半新的 half-new; 半死的 dead-alive; 半开的门 partly-opened door; 半机械化 semi-mechanizedⅣ名词(姓氏) a surname 半乾 ban qian半v形坡丁字对接头焊缝: single bevel tee butt weldt形焊: tee welding; tee-weld半r: r rotunda一半;半: halft形焊缝: tee weldt形焊接: jump welding; t weld; t-weld鞍形焊: saddle welding船形焊: fillet welding in the downhand position/fillet welding in the flat position; fillet welding in the flat position楔形焊: bonding wedge形焊缝: glut weld v; v-shaped weld形焊接: shaped welding; t-weld t; u-weld u; x-weld x异形焊: shape welding板 版 办 半: ban半 伏 卧 式: semiprone position半,似,拟,准: quasi-