服务质量 fú wù zhì liàng

DEFINITIONS

  1. Quality of Service
  2. QOS

CHARACTERS

服 fú
HSK 1
clothes; wear, dress
务 wù
HSK 2
affairs, business; must, should
质 zhì
HSK 4
matter, material, substance
量 liàng
HSK 4
measure, quantity, capacity