解释电动机型号：JO3—250S—4的代表意义？
解释电动机型号：JO3—250S—4的代表意义？
7.已知jo(Fe3+/Fe2+)＝0.77V，jo(Sn2+/Sn)＝-0.14V，jo(Sn4+/Sn2+)＝0.15V，jo(Fe2+/Fe)＝-0.41V。在标准状态下，下列各组物质中不能共存的是
7.已知jo(Fe3+/Fe2+)＝0.77V，jo(Sn2+/Sn)＝-0.14V，jo(Sn4+/Sn2+)＝0.15V，jo(Fe2+/Fe)＝-0.41V。在标准状态下，下列各组物质中不能共存的是
合适的工作 a ______jo
合适的工作 a ______jo
He’s not qualified ____ this jo
He’s not qualified ____ this jo
It was_________ that we had to ask them for help. A: a so big work B: a so big jo C: such a big work D: such a big jo
It was_________ that we had to ask them for help. A: a so big work B: a so big jo C: such a big work D: such a big jo
Why Benjamin left his last jo A: Stressful jo B: Hopeless promotion C: No growth opportunities D: Unsatisfactory salary E: Incompetent boss
Why Benjamin left his last jo A: Stressful jo B: Hopeless promotion C: No growth opportunities D: Unsatisfactory salary E: Incompetent boss
Who do you think is the most ________ (suit) for the jo
Who do you think is the most ________ (suit) for the jo
2. What is Jane’s mother’s jo
2. What is Jane’s mother’s jo
Where did Mike get his first jo
Where did Mike get his first jo
To get more money for her dad at hospital, Jo ______________.
To get more money for her dad at hospital, Jo ______________.