小孩子们相信：在圣诞节的前一夜，圣诞老人乘坐驯鹿拉的雪橇从空中而来，他从壁炉的烟囱进入到每家每户，他把给孩子们的圣诞礼物放在圣诞树下。
They believe that — on the night before Christmas — he travels through the air in a sleigh pulled by reindeer. He enters each house from the top by sliding down the hole in the fireplace.
一个新的烟囱，替换了5年前那个又旧又高的，能更好地限制废气的排放。
A new smokestack, which is better able to trap emissions, replaced the older, taller one five years ago.
小孩子们相信：在圣诞节的前一夜，圣诞老人乘坐驯鹿拉的雪橇从空中而来，他从壁炉的烟囱进入到每家每户，他把给孩子们的圣诞礼物放在圣诞树下。
They believe that -- on the night before Christmas -- he travels through the air in a sleigh pulled by reindeer . He enters each house from the top by sliding down the hole in the fireplace.
从烟囱施爆后做定轴转动的力学分析入手，结合爆破切口的断裂形式，讨论支反力的变化情况，得出了前冲的原因，并推导了前冲距离的计算公式。
The variation of counter-force and bearing force is discussed, the reasons of forward setting are obtained, the calculating formula about forward setting distance is deduced.
据《每日邮报》报道，英国的格里姆伍德夫妇3年前收养了一只失足跌落烟囱的小海鸥。
The Daily Mail reported that the Grimwoods adopted a seagull three years ago after it fell down a chimney, and brought it up with three cats.
据《每日邮报》报道，英国的格里姆伍德夫妇3年前收养了一只失足跌落烟囱的小海鸥。
The Daily Mail reported that the Grimwoods adopted a seagull three years ago after it fell down a chimney, and brought it up with three cats.
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