Horsetailis a plant source of silica.
马尾草是一个植物来源的二氧化硅。
Silica is a basic unit in many ceramics.
硅是一种基本的陶瓷制品。
It Suffer the gravel silica rock, arena silica control.
受砾屑硅质岩、含砾砂屑硅质岩控制。
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。
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。
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。
The internal structure of silica has a pyramid(tetrahedron) unit.
硅的内部结构是一个四面体。
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。
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。
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。
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。
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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