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龙骨墩 lónggǔdūn
gen. blocking; building-block
shipb. keel block
tech. building block; keel block (木); middle block
龙骨墩 lónggǔdūn
transp. keel block
龙骨墩
: 11 phrases in 5 subjects
Architecture1
Nautical1
Oil / petroleum1
Shipbuilding1
Technology7