Dendrobium kingianum Bidwill ex Lindl. Dendrobium kingianum 'Sparkles' HCC/AOS. Dendrobium kingianum is a very common species in Australia. Recently there has been a proposal to transfer this species
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The crankshaft makes three rotations for each rotation of the rotor. 转子每转一周,曲轴转3周。The rotor has recesses in its three faces between the lobes . 转子在其凸角之间 ...
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Structure and properties. Cr 2 O 3 adopts the corundum structure, consisting of a hexagonal close packed array of oxide anions with ⅔ of the octahedral holes occupied by chromium.