All three systems have the ports （） to swirl the incoming air and direct it in the appropriate path.
举一反三
- Which of these functions cannot be attributed to the mucous membrane that lines the nasal cavity? A: warms incoming air B: filters particles from incoming air C: moistens incoming air D: initial gas exchange between air and blood occurs here
- Which of the underlined path in the following sentences is NOT used in the same way as “path” in the sentence “I knew we were on a new and unexpected path.” A: They may not take a direct path, but somehow they reach their dreams. B: It came right at me, but his love so overwhelmed me that I was incapable of moving out of its path. C: The path continues alongside the river for half a mile. D: The Tourist Board seems well on the path to achieving its new objective.
- 中国大学MOOC: There is one structure, set of systems, or method of staffing that is appropriate for all organizations.
- The process of loop scavenge is that the exhaust will be via ports （） the air ports and controlled by the same piston.
- The fresh air coming in through the inner air ports， is compressed by（） to a higher pressure.