短语词组短语Direct Unfolding 直接展开Unfolding limbs 展开四肢Multidimensional unfolding 多维展开constant unfolding [数]常值开折unfolding methods 解谱方法mental unfolding 心理展开unfolding wheel 开节轮Pinna unfolding 耳廓张开blank unfolding 坯料展开 返回 unfolding