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oil seal ring
密封瓦
为防止发电机内部的氢气外漏,在发电机两端轴与静止部分之间设置的中间通以连续不断的比氢气压力高的压力油流,阻止氢气外漏的部件。
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varying speed technology of hydro-generator unit
varying temperature calorimeter
varying type
Varāhamihira
Varāhamihira (约505—587)
vasa deferentia
vasa recta
Vasco da Gama
Vasco da Gama crater
Vasco Pratolini
vascular access
vascular access/exit care
vascular bundle
vascular bundle scar
vascular bundle sheath
vascular cambium
vascular cannulations in domestic animals
vascular circle
vascular cylinder
vascular dementia
vascular development
vascular disease of the spinal cord
vascular endocrine function
vascular endothelial growth factor
vascular hemorrhage
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