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