内部检验
Blood in the urine would require an internal inspection by a specialist.
尿血需要经过专科医生的内部检验.
This pipeline is subjected to corrosion after years operation. So, an internal inspection plan with pig is worked out.
由于多年运行,管道腐蚀严重,为此拟采用清管器进行内检测。
We threw ourselves into pure water market in1998; through long-term planning, passing the internal inspection layer by layer, and passing the governments pure water G.
1998年积极投入纯水市场,历经长时间规划,通过内部层层检测,并通过政府的纯水G。
英语网 · 双语娱乐资讯
英语网 · 初中英语作文
英语网 · 初中英语语法