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熊老板开了家工厂。工厂里有一台大锅炉,大锅炉里装上水,在炉膛里烧煤,就可以把水变成蒸汽。蒸汽可以用来发电、取暖、加热等等,用处可大着呢。这一天,工厂停工进行检修。熊老板请来一个工程师检查锅炉。工程师穿上工作服,爬到锅炉里面,检查了很长时间。出来后,他告诉熊老板,锅炉里有一条2毫米宽25毫米长的裂纹。熊老板问:“这裂纹碍事吗?工厂一天不生产,我损失可就大了。”工程师说:“这个锅炉必须进
Bear boss opened a factory. There is a big boiler in the factory, which is filled with water and burned in the hearth, turning the water into steam. Steam can be used to generate electricity, heating, heating, etc., the use of a big deal yet. This day, the factory was suspended for overhaul. Bear boss invited an engineer to check the boiler. The engineer wore a workwear, climbed into the boiler, and checked for a long time. After coming out, he told the bear owner there was a crack of 2 mm wide and 25 mm long in the boiler. Bear boss asked: ”This crack impede? The factory does not produce one day, I can be a big loss. “ The engineer said: ”This boiler must enter