metal colour meaning in English
金属色
Examples
- I do not have the metal colour samples as they have been sent to client but have the red sample which is poor in quality
我手中没有金属色样，因为他们已经寄给客户了，其中红色金属样品质量不是很好旅行袋的意思？ ？ - But there are some technical difficults for the welding of aluminium alloy such as some broken bits being easily found , a large welding distortion can happen easily , hard to distinguish the difference between the solid metal and liquid metal colour , hard to control the temperature , a lot of air holes can be seen in the welding line and so on
但是铝合金熔化焊时的技术难点在于：焊接时易引起夹渣，焊接变形大，金属的固态和液态的色泽不容易区别，焊接操作时控制温度困难，容易产生气孔等等。如果焊前清理工作不是很好，检测气孔往往超标。