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hourglass worm
释义
hourglass worm
Encyclopedia
工学
环面蜗杆
释
hourglass worm
环面蜗杆
蜗杆分度圆为圆环面的蜗杆。
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Stone Inscription of Guanghe Six Year
Stone Inscription of Opening Baoxie Road by Chujun
Stone Inscription of the Elders' Deeds in Shitingli for Land Property Transaction
Stone Inscription of the Han Dynasty at Alxa Meng
stone inscription of Wei and Jin Dynasties
Stone Inscription on the Tower of Kaimu Temple
Stone Inscription Scriptures Wall at Heri Temple
Stone Inscriptions in Jurchen Hierogryphic
Stone Inscriptions in Khitan Hieroglyphic
Stone Inscriptions in Mongolian Script
Stone Inscriptions in Western Xia (Tangut) Hieroglyphic
Stone Inscriptions in Western Xia(Tangut) Hieroglyphic
Stone Inscriptions of Ancient Calligraphy Masterpieces of the Baoxian Hall
Stone Inscriptions of Jurchen Hierogryphic
Stone Inscriptions Recording Alliances from Wenxian
stone inscription with ancient scripts, small seal scripts and clerical scripts
stone in the urine
Stone Kneeling Person with Tiger's Head from Mausoleums of Xibeigang
stone land certificate
Stone lattice
Stoneley wave
stoneley wave
stone-like coal
stone lithography
stone loaches
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