在4%膨润土浆中加入2%仿磺化沥青或磺化沥青FT1（对比剂）制成实验浆液，用以测定封堵性和抑制性。
The experimental mud(EM) is prepared by introducing 2% sulfonated asphalt(SA), FT1, as control chemical agent or PSA into 4% bentonite mud and used for evaluating sealing and inhibiting capacities.
在4%膨润土浆中加入2%仿磺化沥青或磺化沥青FT1（对比剂）制成实验浆液，用以测定封堵性和抑制性。
The experimental mud(EM) is prepared by introducing 2% sulfonated asphalt(SA), FT1, as control chemical agent or PSA into 4% bentonite mud and used for evaluating sealing and inhibiting capacities.
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