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齿轮齿条式施工升降机
释义
齿轮齿条式施工升降机
Encyclopedia
工学
施工升降机
释
rack and pinion hoist
齿轮齿条式施工升降机
减速器输出轴端的齿轮伸出吊笼,并与固定在桅柱上的齿条啮合,驱动吊笼上下运行的施工升降机。
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Populus euphratica Deciduous Broadleaf Forest
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porasil
porcelain
porcelain bowl with a red and green peony pattern
porcelain crucible
porcelain decorated with coloured drawings
porcelain dishes with opera paintings of the Qing Dynasty preserved in Nantong City
porcelain jar with The Western Chamber paintings of Ming Dynasty preserved in Shangqiu City
Porcelain Kiln Site at Baihe
porcelain pillows in the Shape of a Beauty or a Child,Song Dynasty
porcelain plate
porcelain sculptures unearthed at Zhang Sheng’s tomb
Porcelains from Princess Chen ' s tomb
Porcelains from the tomb of Yeluyu
porcelains unearthed from Liaohuailing
porcelains unearthed from tomb of Qian Family in Wuyue
porcelains with cloisonne enamel
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更新时间:2026/9/6 22:04:43