Ld converter
[机] LD转炉
🧩 词语组成解析
致死剂量
converter
[kən'vɜ:tə(r)]
n. [自]变换器;换流器，变压器，变频器;[冶]炼钢炉，吹风转炉;使转变[改变信仰]的人;
🗣️ 情景例句
Are all these goods made in your factory?
所有这些货物都是贵厂生产的吗？
How long have you had it?
你得这病多久了？
Who is he?
他是谁？