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凹板 āobǎn
agric. stave
archit. notchboard
tech. concave; gravure; intaglio; notch board
凹板块,组 āobǎn
gen. concave
凹板: 146 phrases in 15 subjects
Agriculture11
Architecture8
Automobiles13
Aviation1
Chemistry1
Drilling1
Ecology1
General3
Metallurgy9
Oil / petroleum1
Plastics2
Rowing1
Surgery2
Technology91
Textile industry1