... valve seat seal ring 阀座密封圈 seat d ring 阀座 renewable seat ring 可更换的阀座环 ...
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seat d ring
阀座环
以上为机器翻译结果,长、整句建议使用 人工翻译 。
If the pilot had to pull the "d" ring (ejection handle) in an emergency, the cables would snap the wearer's feet back under the seat to ensure a smooth and safe ejection from the aircraft.
当发生紧急情况,飞行员需要弹射时,缆绳会将马刺佩戴者的足部从座椅下方拉出来,以确保弹射安全。
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