The supercharger uses straight cut gears in the nose drive and at idle there is no load on the gears that they tend to rattle back and forth a bit and that presents as a rattling sound.是什么意思_The supercharger uses straight cut gears in the nose drive and at idle there is no load on the gears that they tend to rattle back and forth a bit and that presents as a rattling sound.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句