短語詞組短語perdurability detail 延續(xù)時間piston rotation perdurability 活塞下降速度unit intensification perdurability 單位強(qiáng)化時間law of perdurability of matter 物質(zhì)守恒定律;繙譯law of perdurability of m 物質(zhì)守恒定律英語 返回 perdurability