单词	unsprung mass
释义	unsprung mass 簧下质量
随便看	contact plunger Contact point. contact point contact point dresser contact pointer contact point file contact point gap contact point insert contact-point insert contact points contact points and brushes tension gauge contact points cleaning plate contact point zone contact poison contact poisoning contact polling contact pollution contact position contact positive contact potential contact-potential barrier contact potential barrier contact potential difference contact potential series contact precision step printer 更分破秋光更别有更剔残灯抽剑看更十分更南浦更变千年如走马更可惜更听胡笳更吹我更吹羌笛关山月辕门辕马辕骡辖辖制辖区辖境辖治辗辗