The captain of the submarine has got this periscope thing.那个潜艇艇长有个类似于潜望镜之类的东西。a furnace scanning periscope熔炉观测镜The plant is operated entirely by remote control and monitored by closed circuit television or periscope.这个工厂...
Objective To evaluate clinically double - balloon enteroscopy and intestinal intestinal diseases.目的评价双气囊推进式小肠镜对小肠疾病的诊断价值.Objective To evaluate clinically double - balloon enteroscopy and intestinal enteroclysis in intest...