sand-fly的意思|示意

To study the improvement of high liquid limit clay in south area of Hunan province for highway embankment, lime, fly ash, cement, lime and fly ash, sand and gravel were used as improvement reagents.

为了对湘南高液限粘土进行路用填料改良研究，分别对其进行了石灰、粉煤灰、水泥、石灰加粉煤灰以及砂砾的改良试验。

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。

CFG pile is short for the cement fly-ash gravel pile, which is mixed to a high bond strength pile with sand and water. CFG pile composite is formed by CFG pile, the soil between piles and cushion.

CFG桩是水泥粉煤灰碎石桩的简称，它是由水泥、粉煤灰、碎石、石屑和砂加水拌合形成的高粘结强度桩，和桩间土、褥垫层一起形成复合地基。

A part of fly ash might be replaced with stone powder in high-paste RCC, but the content of stone powder in crushed sand should be not more than 20%.

所以，在富胶凝材料碾压混凝土中可以用石粉取代部分粉煤灰，但人工砂中的石粉含量不宜超过20%。

The aquatic, wormlike larva of the caddis fly, enclosed in a cylindrical case covered with grains of sand, fragments of shell, and other debris.

水生的，石蚕蛾的蠕虫状幼虫，包在被沙粒、卵壳碎片以及其它碎片盖住的柱形盒内。

We fly fly, and flew to a small river. Oh, here, the river really clear, many hearts tiny grains of sand can be seen clearly.

我们飞呀飞，飞到了小河边。呵，这里的河水真清澈，一颗颗细小的沙粒都可以看得清清楚楚。