The three key technologies should be solved for water being the medium of hydraulic system, which is poor lubrication, strong infiltration leakage, cauterization and air erode.

水作为液压介质必须解决润滑性能差、渗透泄漏性强、腐蚀与气蚀等三大关键技术问题。

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The company reports that the new bubble system, officially termed the Mitsubishi Air Lubrication System (MALS), will reduce ship carbon emissions by up to 25%.

FORBES: Archer Daniels Midland & Mitsubishi Team Up To Blow Bubbles