帮忙看一看这句话是什么意思？ 为了保证文本的正确性，我把这一段贴出来，供参考。 urea reactor external inspection: 1.draw a map from the mechanical drawing for an easy identification of the weep holes 2.verify if all the weep holes are accessible for inspection. 3.verify that the relevant nipples are free and protrudes by 20 mm beyond insulation. 4.check proper position of thermocouples. 5.verify if the thermal insulation has been provided also in the bottom of the reactor.查看更多
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