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cavity block
compr. 阴模
hydroel.st. 空心块体
industr. 阴〔凹〕模
plast. 模腔
tech. 空心砌块; 凹模; 空心块 (体); 阴膜; 阴模块; 空心混凝土砌体
cavity block: 22 phrases in 2 subjects
Plastics1
Technology21