最全的机加工图纸英文对照表!ALL WELDS CONTINUOUS UNLESS OTHERWISE STATED未注焊缝均为连续焊ALL WELDS 3mm FILLET UNLESS OTHERWISE STATED未注焊角高3mm.ALL UNSPECIFIED RADI - R3未注圆角R3REMOVE ALL BURRS AND SHARP EDGES棱角倒钝CHANNEL 槽钢RSA 708 角钢 70X70X8M30X1.5 pitch M30X1.5的锥螺纹Tackweld 点焊OD 1/4 outside dimension 1/4的缩写 外径直1/475 CRS 尺寸为75 材质为冷轧钢板410 OPENING REF 410 开口参考尺寸40 REF 尺寸为40,参考值2.5 BSP 2.5” 圆锥管螺纹2.5 BSPT HEXAGON 2.5” 六角圆锥管螺纹(即对丝)30x2.5