Jettron
气动开关(气流阻塞时产生电讯号)
🗣️ 情景例句
Yes.
是的。
This world belongs to the energetic.
世界属于精力旺盛的人。
The purpose of my coming here is to inquire about possibilities of establishing trade relations with your company.
我此行的目的正是想探询与贵公司建立贸易关系的可能性。