你感冒好了吗？
It had gotten very cold, and I guessed the good weather was at an end.
现在变得很冷了，我猜想好天气已经到头了。
Herein introduce the structural feature and operating principle of new-style cold blast snort valve of blast furnace. The structure has gotten application patent (pat. No: ZL200420117234.6).
介绍了高炉用新型冷风放风阀的结构特点和工作原理。此结构已经获得了专利(专利号：ZL 200420117234.6)。
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