每吨矿砂的净利达20美元.The net profit amounts to 20 dollars per ton of ore.他们分析了矿砂,从中发现了铁.They analyzed the ore and found iron in it.日平均产量为一千三百七十吨矿砂.The average daily throughput was 1 , 370 tons of ore....
液体精密定量吐出装置系统及周边各种配套精密配件,如针筒,针嘴,点胶阀, 压力罐等.Super percision fluid dispenser , parts ( Syringe, nozzle , valve, tank and so on ) and FAD system.他们声称自己天资聪明, 心细如针, 只有他们才能猜出谜语.They claim to talk like needle, intelligent, only t...