Telemaintenance
[计] 远程维护
🗣️ 情景例句
That sounds pretty good.
听起来挺好的嘛！
Why are you frustrated?
你为什么失败？
and in the course of a few hundred miles reaches the true ocean floor at 2,500-3,500 fathoms.
一直延伸到几百英里远深达2，500至3，500的地方，