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螺栓连接
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bolting
螺栓连接
采用螺栓穿过两个或多个带孔的构件或部件,并在另一侧拧紧螺母,从而使被连接构件或部件之间形成传力机制的、可拆卸的连接方法。连接件包括螺栓杆、螺母和垫圈。
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land geophysical exploration
land grading
land grant college
land hierarchy
land information database
land information management
land information system
landing area selection
landing buffer system
landing electrode
landing exploration
landing flight test
landing guidance system
landing impact test for lunar probe
landing impact test for reentry capsule of manned spacecraft
landing joint
landing platform
landing rocket
landing site system
Landini cadence
land/inland water ecotone
land institutional pyramid
land intensive industry
land investigation
Landis
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