“马歇尔霍尔氏法”的概念、定义、翻译、参考文献-科学参考

单词	马歇尔霍尔氏法
释义	马歇尔霍尔氏法 Marshall Hall's method (一种人工呼吸法)
随便看	punched plate screen punched screens punched square nut punched steel plate punched tape punchedtape punched tape code punched tape collator punched tape machine punched-tape program punched tape programming punched tape reader punched-tape storage punched tape to magnetic tape converter punched washer puncheon puncher puncherless punch error punch flange punch format punch forming punch hammer punch heel punch-holder

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