准确：
1.尽管锅炉壳与蒸汽管是密封的,但还是有一部分热损耗掉了.
2.由于我们的发展一直受到（外界）的关注,所以我们不会对扰乱我们世界的问题无动于衷的.
英语翻译However careful boiler casings and steam pipes are seale
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