a blocked chimney造句
造句与例句
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- In all heating systems, a blocked chimney can let smoke back into a house.
- Most often, the source is a heating system or water heater that has a cracked flue or a blocked chimney.
- Often in accidental deaths by carbon monoxide, the source is a heating system or water heater that has a cracked flue or a blocked chimney.
- It's difficult to see a blocked chimney in a sentence. 用a blocked chimney造句挺难的
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