Instead, it secretes a glue and USES this to stick bits of sand together to form its casing, in the way that a freshwater caddis fly larva does.

堆沙蠕虫分泌出一种胶状物将沙石粘合在一起形成壳装，这一点类似于淡水石蛾的幼虫。

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Instead it secretes a glue and USES this to stick bits of sand together to form its casing.

相反，它分泌一种粘胶，以此把沙粒一点点的粘起来形成它的外壳。

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With a glue stick, lightly coat one side of the paper template and apply it to the cleaned stainless surface, and allow it to dry.

用胶水棒一旁的皮大衣轻轻模板适用于清洗不锈钢表面让它干燥。

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With a glue stick, lightly coat one side of the paper template and apply it to the cleaned stainless surface, and allow it to dry.

用胶水棒一旁的皮大衣轻轻模板适用于清洗不锈钢表面让它干燥。

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