短語(yǔ)詞組短語(yǔ)on -the-spot investigati of thoughts 思想考古On -the-spot investigation superiority 實(shí)地考察優(yōu)勢(shì)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(shí)態(tài)調(diào)查 返回 on-the-spot investigation