one of each type of toy was placed 30ft apart to see which monkeys would like which type of toys

i put one apple of each type on the table,为什么是of each type?应是each type 而且one apple而且 one apple是怎么搞的?应该是复数? each of和 one of one of each type of toy was placed 30ft apart to see which monkeys would like which type of toys one for each of 意思 each one of与every one of的用法 Each one of them 等于 一个词语 classify each of the response by type of data and level measurement one of you all of you one of you each of you的区别 one of 和each of 的用法和区别 each of和every one of的区别 one of,some of,each of,every one of,they each 后面one of,some of,each of,every one of,they each 后面加名词和动词的什么形式? each of type of是什么意思 type of contract是什么意思 Type of customer type of test piece type of registration是什么意思 Proposal type of tendering