breakpoint swcrawling 断点开关

electronic swcrawling 电子开关

packet swcrawling 小

thread swcrawling 执行绪切换

level swcrawling 液位开关

Sense Swcrawling 感测开关

Alter Swcrawling 转变开关

rotary swcrawling 旋转式开关

displace swcrawling 复位开关

optical swcrawling 光开关