购: purchase; buy文: character; script; writing仪: appearance; bearing天文仪: astroscope采购文件: procurement documents, rfp, ifb, rfq反收购文件: defence document.收购文件: takeover document.添购文具: lesson stationery and petty cash古天文仪器: historical astronomical instruments水文仪器: hydrologic apparatus; hydrologic instrument; hydrological instrument岁的王文仪: wenyi wang天文仪器: astro-instrument; astronomic instruments and apparatus; astronomical instruments; astronomical telescopes and instrumentation天文仪器厂: astronomical instrument factory文仪电子公司: man yee electronic co确认的采购文件: established procurement document气球式天文仪器: balloon-borne astronomical system水文仪器安全要求: general specification for hydrologic instrument safety requirements水文仪器系列型谱: the series model of hydrometric instruments永联文仪供应中心: ao supplies centre; supplies centre商系文仪经贸有限公司: bosl水文仪器可靠性技术要求: specification of reliability for hydrologic instruments水文仪器基本参数及通用技术条件: primary parameter and general specification for hydrologic instrument水文仪器基本环境试验条件及方法: basic conditions and methods of enviromental test for hydrologic instruments水文仪器总技术条件 参比工作条件: general specification for hydrologic instruments--referential operating condition水文仪器总技术条件 结构基本要求: general specification for hydrologic instruments--basic requirements of structure