有机酯水玻璃自硬砂
Organic ester water-glass self-hardening sand
水携火山碎屑岩系
water current processes piled up volcanic-clastic rocks system
水心消失速率
disappearance rate of watercore
水锌矿
cegamite
hydrozincite
hydrozinkite
marionite
automatically controlling
hydrocincite
zinc bloom
earthy calamine
水信息
water resources information