低压针式绝缘子型号中字母“M”表示短脚，用于铁横担。
参考答案：错
— Remember, boys and girls.The harder you work, ______.
— Yes, Miss Gao.[ ]
A. your result will get better
B. your result will get the better
C. the better result you will get
D. the better result will you get
本质安全型防爆型电气设备采取那些主要安全措施？
