A.90 B.100 C.110 D.120
A.泄漏 B.融化 C.結(jié)塊 D.自流
A.Ⅰ電場(chǎng)>Ⅱ電場(chǎng)>Ⅲ電場(chǎng)>Ⅳ電場(chǎng) B.Ⅰ電場(chǎng)>Ⅲ電場(chǎng)>Ⅱ電場(chǎng)>Ⅳ電場(chǎng) C.Ⅰ電場(chǎng)=Ⅱ電場(chǎng)=Ⅲ電場(chǎng)=Ⅳ電場(chǎng) D.Ⅰ電場(chǎng)<Ⅱ電場(chǎng)<Ⅲ電場(chǎng)<Ⅳ電場(chǎng)