| 释义 |
1 ?轻质油 ... light turn；轻轻转动，小的转角 light weight oil；轻质油 light work；轻工作，容易的工作 ...
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The levying scope covers all light weight oils, excluding gasoline, diesel, kerosene and solvent oil. 征收范围包括除汽油、柴油、煤油、溶剂油以外的各种轻质油。 - 2
Simple in structure, small in volume, light in weight, little in energy loss, screw pump oil system could decrease oil cost, improve efficiency, and be of widely prospect. 螺杆泵采油系统结构简单、体积小、重量轻、耗能小，使用螺杆泵采油可降低采油成本，提高采油效益，具有广泛的发展前景。 - 3
The structure of oil cooler has the advantage of small size, light weight, heat dissipation area, and high cooling efficiency. 该结构油冷器的优点在于体积小，重量轻，散热面积大，散热效率高。
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