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。
For both materials (especially HD80), rough up the glue surface first with coarse sand paper, then apply a coat of cement and let it dry.
为两种材料(尤其是hd80)，粗糙了胶的表面首先与粗砂的文件，然后申请一件外套，水泥，让它干。
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。
There, I proceeded to sand down the back of each toy creating a flat, rough surface onto which I could glue strong magnets.
在那里，我接着下来的沙每个玩具创建一个平面，粗糙的表面上，我可以胶水强磁回来。
Be sure to get as much of the leftover glue near the overlays off the glass and be very careful not to sand too much off and thin out the glass.
请务必在覆盖物附近得到一样许多残余胶浆玻璃和非常小心不铺沙太多和不变薄玻璃。
The mix design of strong concrete should follow the principles of low water-cement ratio, low sand ratio and high bone-glue ratio, thus the relatively satisfying effect can be achieved.
高强度混凝土的配合比设计应该遵循低水灰比、低砂率、高骨胶比的原则，这样才能达到比较理想的效果。
This article can provide the theory base for establishing the cementing quality evaluation method of adhering sand casing with considering the effect of glue layer thickness.
本文研究内容可以为建立考虑胶层厚度影响的粘砂套管固井质量评价修正方法提供理论基础。
This article can provide the theory base for establishing the cementing quality evaluation method of adhering sand casing with considering the effect of glue layer thickness.
本文研究内容可以为建立考虑胶层厚度影响的粘砂套管固井质量评价修正方法提供理论基础。
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