reentry arc length fuze再入: reentry弧: arc bow长: older; elder; senior引信: detonator; fuse; fuze弧长: arc gap; archway length; arclength; bogenlaenge arc length; length of arc; lengthofarc; radian length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:再入弧长引信,即可在微信中查询翻译