Though the domestic technique for removal of inorganic salt from crudes has approached the international advanced level, a gap even existed.
国内原油无机盐类的脱除技术已接近国际水平，但仍存在一定差距。
Though the domestic technique for removal of inorganic salt from crudes has approached the international advanced level, a gap even existed.
国内原油无机盐类的脱除技术已接近国际水平，但仍存在一定差距。
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