高铜高砷废水
wastewater containing high concentration of copper
X70高钢级大壁厚钢线钢管
high grade and thick wall X70 linepipe
超高钢管桩支架
Super-high Steel Pipe Pile Falsework
氮磷高效利用
Nitrogen and phosphorus using efficiency
低磷高铁菱锰矿
rhodochrosite ore with low phosphorous and high iron
低铜高硫
Low copper and high sulfur
高Mg高K埃达克岩
high-Mg and high-K adakite
高T_c铜氧化物超导体
High T_c cupper oxide superconductor
高氮奥氏体不锈钢钢
high nitrogen austenitic stainless steel