加入好的淀粉溶液指示剂,这时溶液变成兰色.Upon the addition of a good starch indicator a blue solution results.指示剂选择不适当可能给音量分析带来重大误差.Improper choice of indicators can introduce serious errors into volumetric work.目前蔬菜的热烫终点以过氧化物酶作为指示剂来确定.Pres...
命令所有的指挥部转移到北面的地堡里去.Order all command posts to puII back north of the tunneI bunker.海水也会想方设法渗入地堡的气穴中, 将被困者淹死.Water will find way into underground pockets, drowning those trapped.这就是她进地堡的原因,因为其他人是不允许进地堡的.That's why sh...