Feedwater, ink supply shut presss adopt high automatization system, magic eye control.给水, 油墨供应关闭出版社采用高自动化系统, 神奇的眼睛控制.Regenerative feedwater heaters are important auxiliary facilities of power plant.回热加热器是火电机组重要的辅助设备.The ...
It is a layer of guanine crystals which glow at night.这是的氨基羟尿环水晶层数发光在晚上.These crystals are then embedded in a plastic, and the plastic is extruded as a wire...然后将这些晶体嵌入一块塑料，再把塑料挤压成线。We tried to grow some copper sulphate ...