A simulation testbed for the engine brake when the vehicle coasts on lasting downhill was built, and the engine brake torque curve was obtained by the test on the testbed.是什么意思_A simulation testbed for the engine brake when the vehicle coasts on lasting downhill was built, and the engine brake torque curve was obtained by the test on the testbed.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句