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grade line
gen. 坡度〔纵坡,纵侧面〕线
auto. 道路纵剖面线
earth.sc. 巷道坡道〔控制〕线; 坡度线{测}
hydroel.st. 坡度线
oil 坡降线
oil, transp. 管道坡降线
tech. 准线; 定位线; 巷道腰线; 纵坡线; 纵侧面线; 线
grade-line
agric. 坡度线; 纵坡线
grade line
: 68 phrases in 13 subjects
Agriculture3
Architecture3
Bridge construction4
Desert science1
Earth sciences1
Engineering geology1
Hydraulics3
Hydroelectric power stations11
Information technology2
Military1
Rail transport1
Technology36
Textile industry1