常见例句Keywords Well site safety;Waterjacket boiler;Gas coil;Bent;Coil welding;Nondestructive detection;Coiled pipe;Spiral coil.; 井场安全;水套炉;气盘管;弯头;盘管焊接;无损探伤;蛇形盘管;螺旋盘管; 返回 waterjacket