Hdr
abbr. 直接热轧制（Hot Direct Rolling）
🗣️ 情景例句
But who's going to pay for all of this?
但谁来为这些付钱呢？
Excuse me. Where is No.5 Street?
对不起，第五大街在哪儿？
Oh, it's a short ruler. Who has a long one?
噢，这是把短尺。谁有长尺？