primer
n. 雷管；底火；底漆
近义词：handbook，textbook，reader，grammar，introduction，priming，primingcoat，primercoat，fusee，undercoat，ground，fuze，flatcoat，fuse，fuzee，
英英释义
Noun
- an introductory textbook
- any igniter that is used to initiate the burning of a propellant
- the first or preliminary coat of paint or size applied to a surface
例句
用作名词(n.)
- It offers good properties for use with other types of alkyd primer.和其它类型的醇酸底漆配套性能良好。
- Observe the overcoating intervals specified for the primer.注意施工时与底漆的涂装间隔。