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立井激光指向法
释义
立井激光指向法
Encyclopedia
工学
建井测量
释
laser guide of vertical shaft
立井激光指向法
在立井掘进砌壁的过程中,应用激光投点仪代替中心垂球,来标定立井井筒中心点即立井垂直凿进方向的方法。又称立井激光指向。
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primary leaf
primary lens
primary-level judicial establishment
primary lining stress
primary literature
primary lithium battery
primary lithium sulfur battery
primary liver cancer
primary loop system
primary lower extremity deep vein valve insufficiency
primary lymphedema
primary lysosome
primary magma
primary malignant bone tumors
primary malnutrition
primary market
primary market of mining rights
primary maximum
primary measurement method in chemistry
primary measurement standard
primary mediastinal tumor
primary meristem
primary messenger
primary metabolism
primary metabolite
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