Zelco
泽尔科锌铝合金, 铝焊料
🗣️ 情景例句
Right.
对。
You had better not bother him right now.
你现在最好不要去打扰他。
Oxygen is widely used in ship repairs for cutting and joining metal plates or pipes.
在船舶修理过程中，常常使用氧气切割和焊接金属板或金属管。