A.凝結(jié)期 B.誘導(dǎo)期 C.加速期 D.減速期
A.C3A>C2S>C3S>C4AF B.C3A>C3S>C4AF>C2S C.C3A>C4AF>C3S>C2S D.C3S>C3A>C4AF>C2S
A.噴煤管外風(fēng)嘴被物料包住 B.風(fēng)機(jī)轉(zhuǎn)速較高 C.噴煤嘴外風(fēng)噴嘴擋環(huán)破損