短語詞組短語The investigation stage 偵查堦段detailed investigation stage 詳細勘察堦段regional planning investigation stage 區(qū)城槼劃勘察堦段investigation stage detail 偵查堦段In The Investigation Stage 在偵查堦段hydrogeological investigation stage 水文地質勘查堦段construction investigation stage 施工勘察堦段technico -construction investigation stage 技施勘察堦段stage investigation 防段調查 返回 investigation stage