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    The morning of June 27, 2017, You Zhenhua heavy construction of COSL 6500 horsepower oilfield guarding supply ship 5 ship "offshore oil 634" delivery ceremony was held at the Changxin base, COSL company, Shanghai maritime bureau, China clas...
    It is reported that the party members, the Ministry of land and Resources Bureau, China geological survey bureau Party Secretary Zhong Ziran attended the "marine geology ten" comprehensive survey ship launching ceremony and announced the "o...
    空氣減壓閥的工作原理：空氣減壓閥的高壓腔高壓空氣端連接，低壓腔為氣體出口，并通往使用系統(tǒng)。高壓表的示值為高壓端空氣的壓力。低壓表的出口壓力可由調節(jié)螺桿控制。 使用...
    減壓閥是通過 調節(jié) ，將進口壓力減至某一需要的 出口 壓力，并依靠介質本身的能量，使出口壓力自動保持穩(wěn)定的 閥門 。從流體力學的觀點看，減壓閥是一個 局部阻力 可以變化的節(jié)...
    1, China's valve ship standard analysis, since 1965, China promulgated the first batch of national standards for marine valves, after several generations of efforts, China has ships, pipelines, valves, ship standards 171. Among them, the na...
    The day before, the first Spanish built wind farm service ship (SOV) launched in Spain Figueras GONDAN shipyard, on behalf of the owner of the ship in Norway o stensj is Rederi company and Dong Energy company charter party attended the laun...
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