silica

1. Horsetailis a plant source of silica.: 马尾草是一个植物来源的二氧化硅。

2. Silica is a basic unit in many ceramics.: 硅是一种基本的陶瓷制品。

3. It Suffer the gravel silica rock, arena silica control.: 受砾屑硅质岩、含砾砂屑硅质岩控制。

4. SiliCa, and North America that border on the Arctic Ocean.: 北美等濒临北冰洋的低洼沼泽平原的命名。

5. The main body is made of one of soft plastics or silica gels.: 上述本体的材质为柔软的塑料或硅胶其中之一。

6. Use the carbon black with low rolling resistance and the silica.: 在胎面胶中使用白炭黑和低滚动阻力炭黑。

7. The internal structure of silica has a pyramid(tetrahedron) unit.: 硅的内部结构是一个四面体。

8. Health standard for respirable silica dust in the air of workplace.: 车间空气中呼吸性矽尘卫生标准。

9. Such silica can react when added to cement in the presence of water.: 这样的二氧化硅在存在水的情况下加到水泥中时。

10. The commercial product however, containing silica and silicates, has a positive effect.: 然而含有硅石和硅酸盐的工业品都有肯定的效果。

11. The basic ingredients in glass, including silica sand and soda ash, are found almost everywhere.: 玻璃的基本原料，包括硅砂和纯碱，几乎可以在任何地方找到。

12. The basic ingredients in glass, including silica sand and soda ash, are found almost everywhere.: 玻璃的基本原料，包括硅砂和纯碱，几乎可以在任何地方找到。

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