The main engineering geological problems are as follows:soft soil, powder soil, welled soil (rock) , landslip, breakdown talus and broken weak rock mass.

主要的工程地质问题有：软土、粉土、膨胀土（岩）、滑坡、崩塌岩堆、岩溶、破碎软弱岩体等。

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The effect of porous silicon rock powder mixing with ordinary Portland cement on properties of cement is studied.

研究了多孔硅质岩矿粉掺入到普通硅酸盐水泥中对水泥性能的影响。

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To meet the demands of rock climbers, they will show Mountaineering bags, rock climbing powder, Mountaineering straps, rock climbing ropes and Professional climbing equipments.

应对诸多攀岩爱好者的需求，展会现场，他们将展示：登山包、攀岩粉、登山背带、攀岩绳索等专业攀岩设备。

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Eventually, though, the drill will go deep enough to push rock powder into the drill's sample-gathering chamber.

BBC: Curiosity Mars rover spins its rock drill

Just before halting its investigations, the nuclear-powered rover used the drill at the end of its 7-foot-long robotic arm to bore into a rock near where it landed and analyze the powder.

NPR: Mars Rover Curiosity Stands Down After New Problem