The invention has excellent filtration reduction property under high temperature and high salinity drilling environment.
本发明在高温、高盐度钻井环境下具有优异的降滤失性能。
Building outer wall high temperature fire protection, sound-insulated noise reduction.
建筑物外墙高温防火、隔音降噪。
Building outer wall high temperature fire protection, sound-insulated noise reduction.
建筑物外墙高温防火、隔音降噪。
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