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On the evening of March 13, local time, Ma yun donated the first batch of masks in Europe and delivered them to liege airport in Belgium, from where they will be quickly transported to the Italian Red Cross.The packages were sent to Italy with an aria from the opera turandot written on them as a message."Vanish, night!We shall win at dawn!", netizens thumb up, really too warm! GZMIZIHO MACHINERY a...
Working principle of pneumatic diaphragm pump Pneumatic diaphragm pump is powered by compressed air. The inner side of the diaphragm chamber is alternately pressurized and the other inner diaphragm chamber is evacuated at the same time. This causes the diaphragm to move back and forth, and the metal plate in the center of the diaphragm fixes a common shaft used to connect the diaphragm( When one d...
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