有一个锅炉高级工程师,他被雇用去修理一艘蒸汽船上的庞大锅炉系统。他听在场人员把问题描述了一遍,又问了几个问题后,就去了锅炉房。在锅炉房,他看了看弯弯曲曲的管道,听了几分钟锅炉的撞击声和排气的咝咝声,又用手摸摸管子。然后,他轻轻地哼起小曲,从工作服里拿出一个小锤子,敲了敲 There was a senior boiler engineer who was employed to repair the huge boiler system on a steamship. He listened to the presence of personnel to describe the problem again, and asked a few questions, went to the boiler room. In the boiler room, he looked at the crooked pipe, heard the sound of the boilers and the exhaust squeak for a few minutes, and touched the pipe with his hand. Then he hummed the song gently, took a small hammer from his work jacket and knocked on it