focus mask tube栅: railings; paling; palisade; ...孔: hole; opening; aperture聚焦: focus; focusing; concentrate式: type; style显: apparent; obvious; noticeabl ...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:栅孔聚焦式显象管,即可在微信中查询翻译