问卷调查 wèn juàn diào chá

DEFINITIONS

  1. questionnaire survey; survey

CHARACTERS

问 wèn
HSK 2
ask about, inquire after
卷 juàn
HSK 5
scroll; curl; make a comeback
调 diào
HSK 3
transfer, move, change; tune
查 chá
HSK 3
investigate, examine, seek into