久青草国产手机视频免费观看_毛片网站是多少_亚洲视频中文_一区二区高清在线

首頁英語詞典primingpriming英英釋意

priming

英 ['pra?m??] 美['pra?m??]
  • n. 底漆;裝雷管;起爆劑;裝點火藥;裝填物

英英釋意


1. the act of making something ready
2. any igniter that is used to initiate the burning of a propellant
3. the first or preliminary coat of paint or size applied to a surface