这种电子辅助设备，花费最少的时间和力气，能确保气体供应可靠并且能自动防止故障。

With a minimum of time and effort, this electronic aid enables a reliable and fail-safe gas supply.

youdao

这种电子辅助设备，花费最少的时间和力气，能确保气体供应可靠并且能自动防止故障。

With a minimum of time and effort, this electronic aid enables a reliable and fail-safe gas supply.

youdao