on-the-spot investigation
短语词组
- on -the-spot investigati of thoughts 思想考古
- On -the-spot investigation superiority 實地考察優勢
- Make An On -the-spot Investigation 考察
- to make an on -the-spot investigation 考察
- dwelling conditions on -the-spot investigation 居住實態調查 返回 on-the-spot investigation