Chinese translation for "gravel envelope"

砾石包层
砂砾保护层
砂砾封皮

Related Translations:

gravels:  卵石

gravel shoulder:  砾石路肩

gravel shovel:  砾石铲

gravel wall:  砾石围填层

loamy gravel:  带壤土砾石带土砾石带粘土砾石

pebble gravel:  小砾石

pack gravel:  充填砾石

bound gravel:  胶结砂砾透镜体

gravel separator:  卵石分离器

drift gravel:  冰砾沙矿层

Example Sentences:

1.

In drainage of agricultural lands, a filter or gravel envelope is used to prevent the entrance of fine sand and silt into the drains . 在农田排水中常常采用砾石或过滤层来防止粉细砂和泥沙进入排水沟。

Similar Words：

"gravel dredger" Chinese translation, "gravel drive" Chinese translation, "gravel dune" Chinese translation, "gravel dust filter" Chinese translation, "gravel dyke" Chinese translation, "gravel envelope well" Chinese translation, "gravel equivalent factor" Chinese translation, "gravel face" Chinese translation, "gravel fall rate" Chinese translation, "gravel fallout" Chinese translation