prefo cus cap预: in advance; beforehand聚焦: focus; focusing; concentrate式: type; style灯头: lamp holder; electric light ...预聚焦式灯头的量规: gauges of prefocus caps下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:预聚焦式灯头，即可在微信中查询翻译
