新颖紧凑的设计。
The utility model has the advantages of novel design and compact structure, being suitable for various single-screw pump oil extraction systems.
该实用新型设计新颖、结构紧凑，适用于各种单螺杆泵采油系统。
The array design is novel, structure is compact, performance is perfect, and reliability is good.
该声基阵设计新颖、结构紧凑、性能优良、工作可靠。
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