air suction的用法和样例:
例句
- He sucked hard for air to keep breathing.
他拼命吸气以维持呼吸。
- When we breathe,we draw air into our lungs.
当我们吸气时,把空气吸入肺里。
- After refilling ink, extract a little ink using suction tool.
填充墨水后用抽气工具将少许墨水抽出。
- It possesses vacuum air bleeding and vacuum oil adding function.
具有对电力设备真空抽气和真空注油功能。
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