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中砾
gen. ratchel
bridg.constr. cobble
desert. pebbe (直径为2〜64mm(lΦ〜6Φ)的沉积颗粒)
eng.geol. pebble gravel; pebble stone
geol. pebble
hydroel.st. medium gravel; boulderet; cobblestone
tech. boulderet (石); cobble gravel (石)
中砾: 50 phrases in 12 subjects
Bridge construction5
Desert science8
Drilling2
Engineering geology2
General2
Geology2
Geophysics2
Hydroelectric power stations2
Oil / petroleum11
Soil science1
Technology12
Wind Energy1