“gas check”的概念、定义、翻译、参考文献-科学参考

单词	gas check
释义	gas check [`gas ´chek] ^ORDNANCE Device in a gun that prevents escape of gas through the breech.
随便看	hydnocarpic acid Hydra hydra Hydra-Centaurus-Pavo supercluster Hydrachnellae hydracrylic acid Hydraenidae hydragogue Hydra I cluster hydralazine hydramnios hydranencephaly hydrant hydranth hydrargillite hydrargyrism hydrargyrum hydrarthrosis hydrase hydrastine hydrastinine hydrate hydrate aluminum oxide hydrated alumina hydrated cellulose

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