Do not unplug the charger after charging the phone? This habit is very dangerous!
A Day for Contemporary PeopleIt's like thisPlaying with your phone, charging it, sleeping with your phoneAnyway, you can't do without a phoneBut mobile work is never idle from morning till nightThis makes us inseparable from a small object - a chargerBelieve many friends, for convenienceFrequently not unplugging the charger after charging the phoneBut is this really safeIs the charger unplugged or not unplugged?After experimental testingAs long as the charger is connected to the circuit board, even if there is no load, it will generate a certain amount of current. Some currents are small, while others are relatively large, but they will always be in working condition...
CNOOC Development has obtained two national invention patents for the deepwater underwater oil tree feeding device
Jin Bin Hai News(Reporter Zhang Boyan, Correspondent Zhang Yaju, Shaodong, Jiang Chang) Recently, the deep-water subsea oil production tree feeding device - the deep-water located pipe string, independently designed by the new area enterprise CNOOC Development Engineering Technology Company, has obtained two national invention patents.These two patents are "an underwater tubing hanger assisted detachment mechanism and operation method" and "a sealed shear ball valve for deep water"...