Objective:To observe the clinical effects in preventing infection of urinary tract by using the airbulb urinary catheter retained for one way washing after colonrectal carcinoma surgery.
目的：观察单向冲洗式气囊导尿管在预防留置尿管伴随性尿路感染的临床效果。
2
At a party, he instructed a Royal Air Force pilot to remove the bulb from a light fitting and place it in a flowerpot, on hearing the word Germany.
在一次派对上，他让一名皇家空军(Royal Air Force)飞行员一听到“德国”这个词，就把灯具上的灯泡取下来，放到花盆里。
3
An incandescent bulb can emit as much as 18 mg of mercury into the air over its lifespan; a CFL emits 9 mg (including the mercury both in the bulb and that emitted by power plants).