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sinking headframe
释义
sinking headframe
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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periapsis distance
periaqueductal gray
periaqueductal gray matter
periareon
periastral
periastron
periastron advance
periastron distance
periastron effect
periastron precession
periblast
periblem
pericardial cavity
pericardial cell
pericardial friction rub
pericardial septum
pericardial sinus
pericardial tamponade
pericardium
Pericardium Channel of Hand Jueyin
pericardium cutaneous region of hand jueyin
pericenter
pericenter distance
pericentral
pericentre
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