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to phrases
box caisson
hydroel.st. 沉箱; 开口沉箱
met. 箱形沉箱
port.facil. 盒式沉箱
tech. 箱式沉箱; 方形沉箱; 标准沉箱
box caisson: 14 phrases in 2 subjects
Engineering geology4
Technology10