“ptygmatic fold”的概念、定义、翻译、参考文献-科学参考

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单词	ptygmatic fold
释义	ptygmatic fold 肠状体
随便看	protecting spray protecting tube protecting wall protecting wire net protection protection against acid and fumes protection against cold and freezing conditions protection against insects protection against occupational poisoning protection against overpressure protection against radiation protection against silicosis protection against stray pollen protection against termites protection against unsymmetrical load protection against venereal disease protection against weather protection analysis project protection and indemnity protection and indemnity clause protection and indemnity insurance protection and indemnity (P & I) protection-apron protection bit protection boundary