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波特兰水泥 bōtèlán shuǐní
bridg.constr. portland blast-furnace cement
hydroel.st. Portland cement
tech. blue circle (注册名称)
波特兰水泥硅酸盐同 波特兰,下同 bōtèlán shuǐní
construct. Portland cement
波特兰水泥: 107 phrases in 11 subjects
Architecture2
Aviation1
Bridge construction1
Construction19
Drilling3
Earth sciences3
General4
Hydroelectric power stations5
Metallurgy2
Oil / petroleum2
Technology65