1.check that switches operate properly with no sign of arcing.
检查一下开关是否使用正常，是否不带电弧。
2.an automatic kettle that switches itself off when it boils.
烧开时会自动切断电源的自动。
3.slider switches on the mixers can dampen the drums.
频器上的滑动开关可以降低鼓声。
4.If the voltage exceeds a critical limit (breakover voltage), the device switches into conduction.
当电压超过临界极限（即导电压）时，该元件会导。
5.Override preset switches by prefixing any switch with - (hyphen)--for example, /-W.
过添加前缀 - (破折号) 来替代预先设定的开关。例如，/-W。
6.two proximity switches detect when the valve has reached the end of its travel.
当阀门开到顶时，两个临近开关就会感测到。
7.It’s not difficult to use. All you have to do is pull these two switches and it starts. You see, there’s nothing to it!
这个用起来不难，只要拉一下这两个开关它就启动了。看，再简单不过了！
8.For maintenance convenience,many electric switches for mine are adopted pinboard construction in order to reduce effect of coal mine production.
为了维修方便,许多矿用电气开关采用插式结构,以减少对煤矿生产的影响。
9.IP Switches greatly expand the number of segments while restring the flattened topologies of bridged environments, thus multiplying the opportunities for broadcast storms.
IP交换大大扩展了段数而同时恢复桥路环境下的平面拓扑结构因此广播风爆机会倍增。
10.Kang Youwei defends Confucius in sum "Confucius switches over to have a test in system " "new learning pseudepigraph has a test in "
，开启
开关
烧开时会自动切断电源的自动
。
频器上的滑动开关可以降低鼓声。
