短語詞組短語grain n elevator 谷物輸送機Transcona Grain Elevator 谷倉grain elevator maintenance mechanic 糧食電梯維修技工grain elevator district manager 糧食電梯區(qū)經(jīng)理grain elevator detail 機械化圓筒糧倉;圓筒糧倉assistant grain elevator manager 經(jīng)理助理糧食電梯floating grain elevator 浮動谷物輸送機country grain elevator agent 國家糧食電梯代理商primary grain elevator operator 基層糧食電梯操作員 返回 grain elevator