万用表主要有两种 : 机械指针式万用表和数字式万用表。初学者最好使用指针式,因为指针式万用表有助于他们熟悉一些电子原理。
A.
There are two main kinds of multimeters, they are mechanical handy multimeters and digital ones.
B.
There are two main kinds of multimeters, they are mechanical handy multimeters and digital ones. It's better for learners to use handy types, because it's helpful for them to be familiar with some electronic principles.
C.
There are two main kinds of multimeters, they are mechanical handy multimeters and digital ones. it's helpful for them to be familiar with some electronic principles.
D.
There are two main kinds of multimeters, they are mechanical handy multimeters and digital ones. Multimeters having only volt and ohm ranges are also called volt -ohmmeters.