Dicartron
具有螺旋谐振腔的超高频振荡器
🗣️ 情景例句
Lacks vitality.
缺乏活力。
Could you please let us know what discount you can give for an order exceeding 400 sets?
能否告知定货超过400台你方所能给的折扣。
What kind of quality control do you have?
你们用什么办法来控制质量呢？