... symmetrical cable 对称电缆 symmetrical compressor 对称型压缩机 symmetrical electrometer 对称静电计 ...
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Single screw compressor cylinder by a screw and two symmetrical layout of the plane composed of stars round of meshing pair, installed in the chassis.
单螺杆压缩机由一个圆柱螺杆和两个对称布置的平面星轮组成啮合副，装在机壳内。
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