Macadam type bases involving successive layers of crushed rock bound with rock dust were also used.

人们曾经使用“石结”基层——几层由石粉黏结在一起连续的碎石层。

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After fumes and rock dust have settled the rock brought down by the explosion is removed often on conveyor belts.

等硝烟和尘埃散尽后，再将炸下的岩土运出去，通常是用传送带。

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Furthermore, if the water ice was mixed in with rock and dust, it would be protected from evaporation.

此外，如果水冰与岩石和灰尘混合在一起，它就不会蒸发掉。

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Moreover, many asteroids are chunky masses of rock and dust loosely held together by very little gravity, like loosely packed peanut clusters.

CNN: Don't count 'doomsday asteroid' out yet

Even if the delicate digital hardware running these machines keeps going, and even if they are the smartest roving robots this side of Mars, navigating through the scrub, dust and rock of the Mojave desert represents a complex challenge.

ECONOMIST: MONITOR: Robots, start your engines | The

If a rock has a coating of dust, hundreds of repeated pulses from the laser can remove those layers.

WSJ: Curiosity, the New Mars Rover | Visualizer