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凿井井架
释义
凿井井架
Encyclopedia
工学
凿井设施
释
sinking headframe
凿井井架
凿井时,用于支承提升天轮、悬吊天轮和架设卸渣设施等的结构物。又称掘进井架。
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prurigo
pruritus
pruritus and alopecia
pruritus senilis, pruritus in the elderly
pruritus vulvae
Prussia
Prussian agricultural capitalism
Prussian blue
Prussian pattern of capitalistic development in agriculture
Prussian Privy State Archives
Prussian School of History
Pryasliny
Prydz Bay
prying and pressing tools
prying mark
Prym
Prym variety
Przesluchanie
Prévost
Príbram meteorite
Prüfer
Prüfer code
Prüfer domain
Prüfer integral domain
Prüfer p-group
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