double vee groove welding double-vee groove welding
Related Translations:
坡: Ⅰ名词(地面倾斜的地方) slope 短语和例子陡坡 a steep slope; 平坡 a slight [gentle, gradual] slope; 山坡 a mountain slope; hillside; 上[下] 坡 go up [down] a slopeⅡ形容词(倾斜) sloping; slanting 短语和例子把板子坡着放 put the boar
