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The second category means those medical instruments whose safety and effectiveness shall be controlled.
第二类是指，对其安全性、有效性应当加以控制的医疗器械。
youdao
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The second category means those medical instruments whose safety and effectiveness shall be controlled.
第二类是指，对其安全性、有效性应当加以控制的医疗器械。
youdao