on-board mixing的意思|示意

It is a car that stores hydrogen on board, and, mixing the hydrogen and atmospheric oxygen in the fuel cell stack, creates electricity, said Mittleman.

这种汽车可以将氢储存在车上，然后将氢和大气中的氧气在电池箱中混合，产生电力。

Is there the standard handling work instruction put on site? Are the inspectors handling the board properly to avoid damage or mixing?

现场是否有标准作业程序？作业员操作是否合适以避免损坏或混料？

At the mixing desk - both live and recording, some guitarists prefer the effects to be added once they have hit the mixing board, thus avoiding all complications but reliant on others to apply it.

接在混音台- 现场和录音时都有些吉他手喜欢这样做，这样避免前面说的复杂情况但是要让别人帮你控制效果。