Safe travel life of the lunar rover with planetary wheel, which we researched and designed is mainly dependent on the torsion fatigue life of the torsion bar spring in its suspending frames.是什么意思_Safe travel life of the lunar rover with planetary wheel, which we researched and designed is mainly dependent on the torsion fatigue life of the torsion bar spring in its suspending frames.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句