関連ワード:  is it bad to let a diesel idle for a long time    is it bad to let a diesel truck idle for a long time    is it bad to let a diesel idle for hours    is it bad to let your car idle for a long time    is it ok to let a car idle for a long time    is it good to let your car idle for a long time    why is it bad to let a diesel idle  
結果 : is it bad to let a diesel idle for a long time