a. Guess the meanings of the words from the context by matching each word in Column A with the word or phrase in Column B that is similar in meaning:
测温元件一般应插入管道( )。
A. 5~10mm
B. 越过管道中心线 5~10mm
C. 100mm
D. 任意长
补偿导线的正确敷设,应该从热电偶起敷设到( )为止。
A. 就地接线盒
B. 仪表端子板
C. 二次仪表
D. 与冷端温度补偿装置同温的地方。