A. Annex A
B. Annex C
C. Annex D
D. Annex E
Answer: B
parsing: The exhaust volume standard corresponds to ISO 1217 Annex C.
Answer: It is widely used in medical, food and beverage, electronics, pharmaceutical, chemical, textile, and laboratory industries.
A. 1 bar, 20℃, 0% humidity B. 1 atm, 25℃, 50% humidity C. 1.5 bar, 30℃, 30% humidity D. 1.2 bar, 15℃,…
Answer: Follow the manufacturer’s instructions for draining and refilling the water tank.
Answer: First, check the fault indicator lights and alarm messages, and troubleshoot and handle according to the prompts. If the problem cannot be solved independently, contact professional maintenance personnel promptly.
A. Poor after-sales service B. The after-sales service network is underdeveloped C. Provide comprehensive after-sales service D. After-sales service is limited to large cities Answer: C. Provide comprehensive after-sales service