Composite silicate insulation material is a kind of solid substrate connection closed mouthhole mesh structure material.
保温材料是一种固体基质联结的封闭口孔网状结构材料。
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"If you sleep with your mouth open, she will be able to see the tooth hole," said Sammy. The class laughed. Come on! But that just gave me a great idea! "How did you get the Tooth Fairy to leave the money?"