secure window of mud density 安全泥浆窗口
The technology was helped by the density of houses and other buildings, made of mud brick so that they showed up somewhat clearly.
这种技术利用了显现房屋和其他由泥砖建成的建筑的密度特性，因此可以显现很清晰的事物。
The technology was helped by the density of houses and other buildings, made of mud brick so that they showed up somewhat clearly against the looser soil cover.
这种技术利用了显现房屋和其他由泥砖建成的建筑的密度特性，因此可以清晰的显现被松散的泥土覆盖的物体。
When logging or general overhaul for long time, mud density must BE raised to E. C. D. for stable of hole.
在电测或长时间停钻检修设备时，将泥浆密度提高到循环时的当量泥浆密度范围。
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