单项选择题
A.15s；30s B.15s；45s C.10s；60s D.15s；60s
A.708mm×388mm B.660mm×360mm C.775mm×390mm D.708mm×390mm
A.小于35℃ B.等于35℃ C.大于35℃ D.小于25℃
A.长660mm×宽388mm B.长660mm×宽360mm C.长708mm×宽388mm D.长708mm×宽360mm
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