Dr Dartnell says: "Astrobiology is going out there and being proactive, and searching and exploring the solar system - building probes to go to Mars, for example, to test the sands that we scoop up."
达特·内尔博士说：“太空生物学家将亲自出马，先行一步，搜寻与探索太阳系—如制造探测器，以便去到火星，并测试从那取得的沙子。”
For example, there are large quantities of building materials, sands, stones, even construction tools.
比如，有很多建筑材料、沙子、石头还有建筑工具。
This product is mainly used for sand factory, electric pole factory, worksite of building and concrete dam to wash, classifying and de-watering various sands.
该产品适用于建筑工地、砂石厂、水电站混凝土大坝工地、邮电电杆厂需单位砂石及铸造用“七〇”砂、玻璃厂石英砂及油井回填用压力砂的洗选、分级和脱水。
This product is mainly used for sand factory, electric pole factory, worksite of building and concrete dam to wash, classifying and de-watering various sands.
该产品适用于建筑工地、砂石厂、水电站混凝土大坝工地、邮电电杆厂需单位砂石及铸造用“七〇”砂、玻璃厂石英砂及油井回填用压力砂的洗选、分级和脱水。
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