A.水分缺乏 B.頻繁漂發(fā) C.營(yíng)養(yǎng)失調(diào) D.水分缺乏
A.不細(xì)致 B.不協(xié)調(diào) C.不均勻 D.不合規(guī)格
A.中和時(shí)間過長(zhǎng) B.中和時(shí)間過短 C.化學(xué)反應(yīng)時(shí)間過短 D.化學(xué)反應(yīng)時(shí)間過長(zhǎng)