Research on the Function of ERICSSON R12 Increase SDCCH Capacity
你帶上一罐製冷劑,有門路的話就用R12,就是它造成臭氧層通洞之類,或者用R134a,從鎖眼裏噴進去,直到把裏邊的零件凍住。
Research on Centering Construction Simulation Applied in Long-span Stone Arch Bridge with ALGOR R12