A、<span style="font-size:16px;font-family: 宋体">0</span><span style="font-size:16px;font-family:宋体">℃</span>
B、<span style="font-size:16px;font-family:宋体">机械零点</span>
C、<span style="font-size:16px;font-family:宋体">最大值</span>
D、<span style="font-size:16px;font-family:宋体">原测量值不变</span>