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膨土岩 [péng tǔ yán]
[岩] amargosite
bentonite
bentonite
- 膨土岩遇水会明显膨胀，此性质可理想地保护地层免受钻井泥浆侵害。
Bentonite swells considerably when exposed to water, making it ideal for protecting formations from invasion by drilling fluids. - 膨润土一、矿产名称又称斑脱岩、膨土岩等，是以蒙脱石为主要成分的粘土岩—蒙脱石粘土岩。
Bentonite 1, mineral name, also known as bentonite rock, rock, such as swelling soil is mainly composed of montmorillonite clay rock - montmorillonite clay rock.
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