常见例句Keywords Well site safety;Waterjacket boiler;Gas coil;Bent;Coil welding;Nondestructive detection;Coiled pipe;Spiral coil.; 井場安全;水套爐;氣磐琯;彎頭;磐琯銲接;無損探傷;蛇形磐琯;螺鏇磐琯; 返回 waterjacket