We are specialized in product series of smoke extractors, gasrings, heaters and electric fans etc.
专业制造生产吸油烟机、燃气灶、消毒柜、取暖器等系列产品。
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Since then a different planet has moved to the forefront of gas-mining plans because it lacks Jupiter's intense gravity, Saturn's gigantic rings of orbital debris and is closer than distant Neptune.
A rare galaxy type, polar ring galaxies have a substantial population of stars, gas, and dust orbiting in rings nearly perpendicular to the plane of the galactic disk.