The "double-deck" type employs two separate decks of steel plate over the entire tank area.
双盘式浮顶在整个罐面积内有两层钢板。
Double deck cutting device with small feeding load, more suitable for high crop harvesting.
双层切割装置，喂入负荷小，更能适应产量较高的作物收割要求。
The approach ramp is a double deck roadway structure.
该引桥坡道是双层公路桥。
Base structure: double deck multistage lifting or skid-mount type.
底座形式：双层多级升降或撬装式。
Base structure: double deck multistage lifting or skid-mount type.
底座形式：双层多级升降或撬装式。
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