multi-staged'mʌltɪsteɪdʒCOCA³¹⁵¹¹¹⁺⁴ 基本例句 adj.多级的；多阶段的；多节的；vt.使成多级；使分成多阶段 In line with the local conditions of Sanshandao Gold Mine, a mode of multi-staged ventilation system mainly on the wind return side was investigated and used. 结合三山岛金矿的具体情况，因地制宜地研究应用了以回风侧为主的多级机站通风系统模式。 cnki