空气取样 kōng qì qǔ yàng

DEFINITIONS

  1. air sampling

CHARACTERS

空 kōng
HSK 3
empty, hollow, bare, deserted
气 qì
HSK 1
steam, vapor; KangXi radical 84
取 qǔ
HSK 4
take, receive, obtain; select
样 yàng
HSK 1
shape, form, pattern, style