Copper Chain Belt 铜链腰带
Copper Chain Vest 铜链背心
copper plated sash chain 门窗用镀铜吊链
Copper Industry Value Chain 铜产业价值链
copper vapor laser chain 铜蒸气激光链
copper r plated sash chain 门窗用镀铜吊链
The transport approaches of copper in seawater and in this food chain, as well as some factors affecting the copper quantity accumulated by organisms were discussed.
文章还探讨了本食物链各环节积累铜的主要途径以及影响生物个体铜的累积量的诸因素。
The supply chain for industrial metals, from copper to iron ore, has gone from being regional and fragmented to global and unified.
铜、铁矿石等工业用金属的供应链由地区性变为全球性，由分散变成统一。
应用推荐