词汇	zinc copper melanterite
释义	zinc copper melanterite 锌铜水绿矾
随便看	operational priority indicating system operational problem operational problem and countermeasures operational problems operational procedure operational procedures operational procedures of project operational process operational processing function operational procurement operational productivity operational profile operational program operational program fictional checkout operational programme operational programme design flowchart operational programming Operational Program Requirement operational programs operational project Operational Project Stock operational proof cycle operational propellant handling system operationalproperties operational prospection