Aviation Maintenance Training Center

字首	S
單字	seal
音標與例句	音標 [ sil ](666 Bytes)1 Make sure that the lip seal (11) is in a good condition.(680 Bytes)1 確認唇形密封墊(項目11)的狀況良好。(680 Bytes)1 The opening for the neck is sealed.(680 Bytes)1 頸部的開口被封住了。(680 Bytes)1
字義	n.[C]密封墊，封膠; vt.封，密封
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