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基准水平面 jīzhǔn shuǐpíngmiàn
gen. ordnance datum
eng.geol. horizontal reference plane
hydroel.st. datum water level
tech. datum level; reference level
基准水平面大地测量名词,不用于电信测量 jīzhǔn shuǐpíngmiàn
telecom. datum level
基准 水平面: 4 phrases in 3 subjects
Aviation2
Engineering geology1
Wind Energy1