single-throw的用法和样例：
词汇搭配
- single throw switch 单掷开关
- single-pole single throw 单刀单掷
- single throw 单掷的(单拐的...
- double-pole single-throw switch 双刀单掷开关...
- double-pole single-throw [化] 双刀单掷; ...
- single-pole double throw 单刀双投,单刀双掷...
- single pole single throw switch 单刀单投开关...
- double pole single throw 双刀单掷
- single-pole double-throw switch 单刀双掷开关...
- double pole single throw switch 双极单掷开关...
- triple-pole single throw 三刀单掷
