词汇	H shaped iron
释义	H shaped iron 🌏工字铁
随便看	rotational dozer rotational-drum Rotational DSA rotational dynamics Rotational eccentricity rotational effects rotational efficienty rotational electrical apparatus rotational electrical machines rotational electrometer rotational electromotive force rotational electromotive foree rotational ellipsoid rotational end restraints rotational energy rotational energy barrier rotational energy level rotational energy of molecule rotational energy transfer rotational entropy rotational equilibrium Rotational Equipment Quality Control Engineer rotational eustacy rotational evolution rotational excitation