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无砟道床
释义
无砟道床
Encyclopedia
工学
道床结构
释
ballastless track
无砟道床
不用道砟铺设的道床。又称整体道床,是相对于有砟道床而言的。通常以钢筋(或沥青)混凝土取代传统的道砟作为道床材料。钢筋混凝土可以在现场浇筑,也可采用预制件,或者两者相结合。无砟道床适用于坚实基础,如隧道、桥梁和经过加强处理的土质路基。
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induced resistance
induced scattering
induced sequence
induced sheaf
induced star formation
induced structure
induced subgraph
induced susceptibility
induced symmetry-breaking
induced synthesis
induced topology
induced transformation
induced transition
induced twins
induced unfolding
induced uniformity
induced unitary representation
induced variable
induced variation
induced γ-ray background
inducer
induce regulatory of secondary metabolite
inducibility
inducible
inducible enzyme
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