China'snewestspacelaboratory,TiangongⅡ,willbesentupinto...
問題詳情:China'snewestspacelaboratory,TiangongⅡ,willbesentupintotheairfromtheJiuquanSatelliteLaunchCenterinNorthwestwillprovidemorecomfortabledigsforastronautslivingaboard.ZhuZongpeng,chiefdesignerof...