Dynectron
真空壳汞整流器
🗣️ 情景例句
Sure.
当然。
We must stress that these payment terms are very important to us.
我们必须强调这些付款条件对我们很重要。
first, those whose work is work and whose pleasure is pleasure;
第一类是分清工作是工作，娱乐是娱乐的人；