Auto clean, avoid cleaning troubles of ultrasonic cleaner, reduce rejection rate.

自动清洗，解决超声波清洗难题，减少贴片抛料现象发生。

youdao

And it's no accident that in a state with so many drivers, recent memories of high gas prices, and a fair number of environmentally concerned consumers, auto manufacturers are showcasing more fuel-efficient and cleaner running machines.

NPR: Auto Giants Put Best Wheel Forward in Los Angeles

And the Energy Department doled out billions more to Ford and others to preserve auto-making jobs in the U.S. while steering the industry toward cleaner vehicles.

FORBES: Automakers' Report Card: Who Still Owes Taxpayers Money? The Answer Might Surprise You

And such fleet modernization programs, which provide a generous credit to consumers who turn in old, less fuel-efficient cars and purchase cleaner cars, have been successful in boosting auto sales in a number of European countries.

WHITEHOUSE: President Obama on Stabilizing the Auto Industry