Saticon
塞蒂康视象管, 硒砷碲视象管
🗣️ 情景例句
we're prepared to meet your claim for the loss according to the contract.
我们准备按合同赔偿贵方的损失。
The sanitary engineer collects garbage.
卫生队员收集垃圾。
How are things going?
事情进展得怎样？