Nitrograph
氮气浓度含量测定器
🏥 医学释义
氮气浓度测定仪
🗣️ 情景例句
They'll just make him sad.
那些只会让他悲伤。
See you later.
待会儿见。
Yes, and full payment is due within 30 days.
是的，如果在30天骨付款就没有折扣。