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1·They are in ably silty in build slimy house, open a spiracle in corresponding place only, this.

它们巧妙地在淤泥中构筑泥屋，仅在相应的地方开一个呼吸孔，这。

2·The interior paint is high high-performance hot glue , which may be collocated to the spiracle for air charging test .

内涂高性能热熔胶，可配用于充气检测的气门；