短语词组短语slow -start 慢启动Slow at Start 时慢速slow rotation START 开始缓慢旋转;轮换开始缓慢;缓慢旋转启动Slow start -up 慢启动slow start thresh 启动值ssthresh Slow Start Threshold 慢开始门限Motor slow start 电机软启动Slow Start Threshold 慢启动门限;启动阈值;门限;慢速启动阈值 返回 slow start