sand and gravel

用法例句

Point to the serious burn-on defect occurred on the nonmagnetic steel casting surface, a new casting technique was used in which mould-making adopted CO2-cured sodium silicate bonded limestone sand and special sand powder coating.

针对无磁钢铸件严重粘砂的缺陷,采用石灰石砂及特种砂粉涂料相结合的铸造工艺措施,经过大量试验和生产验证,满足了铸造生产的要求,使铸件表面光洁、易清砂,取得了明显的技术经济效果。

A brownish-red sandstone used as a building material.

褐砂石棕红色砂石，用作建筑材料

A coarse hard sandstone used for making grindstones and millstones.

砂石一种用来做磨石或石磨的粗而硬的砂石

A house built or faced with brownish-red sandstone.

褐砂石房屋用褐砂石建的或用褐砂石糊表面的房屋

to scatter gravel on an icy road

在冰冻的道路撒上砂石

The surrounding country is a wilderness of sand.

周围是茫茫一片砂石地。

lithic arkosic wacke

岩屑长石砂岩质杂砂岩

"Clay, silt, sand, and gravel. "

粘土，粉砂，砂土和砾石。

Sands lithify into sandstones.

砂经过石化而成砂岩。

Minute rough granules, as of sand or stone.

砂，砂砾，砂粒细小的粗颗粒，如砂和石头粒

petrolwum tar sand

含石油沥青的岩石或砂

lithic subarkosic wacke

岩屑亚长石砂岩质杂砂岩

formation-to-gravel size ratio

地层砂与砾石粒度比

rathole gravel slurry

井底口袋内的砾石砂浆

gravel to sand size ratio

砾石-地层砂粒度比

gravel-to-sand median diameter ratio

砾石-地层砂直径中值比

orebulkoil carrier

矿砂散装石油多用船

The gravel ingredient of concrete.

石碴组成混凝土的砂料

subfeldspathic lithic arenite

亚长石质岩屑砂屑岩