求翻译：打开空调，将空调系统设为内循环，将风速调到最大，将本品喷射入空调进气通风口，持续20-30秒，维持内循环1-2分钟是什么意思？

The open air to the air conditioning system is set to cycle, to the maximum wind speed, the goods will spray into the air conditioning intake vents, for 20-30 seconds, and maintain circulation for 1-2 minutes

Turn on the air conditioning, Air conditioning system will be set to the loop, the wind speed to the maximum, the product will be injected into the air intake vents, and air-conditioned for 20 - 30 seconds, maintenance of cycle 1 - 2 minutes

Opens the air conditioning, supposes the air-conditioning system for the internal recycling, wind velocity modulation to biggest, this spraying into air conditioning air admission vent, continues 20-30 second, the maintenance internal recycling 1-2 minute

Open the air conditioning, the air conditioning system is set to loop, adjust the speed to maximum, this product is sprayed into the air conditioning air intake vents, for 20-30 seconds, maintaining internal circulation 1-2 minutes

正在翻译，请等待...