clamper造句

1、A clamper is arranged on a tool bar of a screwdriver.
它是在螺丝刀刀杆上设置一个夹持器。

2、Grandmother often reads a hymnbook with a sliver clamper in her spare time.
闲暇时，奶奶经常会拿着一个银夹子给我们读赞美诗集。

3、The test result shows that clamper greatly increases only the first natural frequency.
结果表明，夹板只对第一阶固有频率有较大提高。