Block welding
[化] 多段多层焊
🧩 词语组成解析
block
[blɑk]
n. 块;街区;<英>大楼，大厦;障碍物，阻碍;
vt. 阻止;阻塞;限制;
a. 焊的\\n[机] 熔接, 焊接, 锻接
🗣️ 情景例句
that you are very impressive.
你给人们留下了深刻的印象。
It's impossible. You may notice that the cost of raw materials has gone up in recent years.
不可能，您可能注意到了近年来原材料的价格上涨了。
There were hardly any trees on the island and there was no water, but this did not prove to be a problem.
岛上几乎没有一颗树，也没有淡水，但这不算什么问题。