polar platform极地: polar region空间: space; enclosure; room; blan ...平台: terrace; platform空间平台: space platform极地空间发射器: polar space launch vehicle (pslv)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:极地空间平台,即可在微信中查询翻译