unwelded

基本解释

Pinhole. A short unwelded area in the weld line extending through the entire pipe so that fluid will leak out through the area very slowly.
针孔。指焊缝线上位焊接的、贯穿管子整个壁厚的细孔，可导致流体从该孔缓慢漏出。
One hardness test shall be performed on each wetted surface cut with oxy-fuel or arc-air which is left unwelded on the finished part.
用含氧燃料或电弧气切削加工表面上的未焊接的湿表面，应作硬度试验。
and a recently approved Uniform Fire Code Standard,80.106, requires a mechanical ventilation rate of 200 fpm across all unwelded fittings).
近来通过的统一消防法标准80.;106要求通过所有无焊接装置的机械通风速度为200fpm）。
2.adjust the position of piece 2 which is unwelded on the middle beam according to the drawing, then assemble it on the underflow trough, and bolt it firmly before weld piece 2 and piece 3 firmly.
2．将中间梁架上未焊接的件2按图调整好位置，安装在沉砂槽上，紧固螺栓后，将件2与件3焊接牢固。