low scan vidicon 慢扫描光导摄像管
slow-acting press 慢动压机
slow-acting relay 缓动继电器
slow-feeding NC wire-cut machine 数控慢走丝线切割机床
slow-helix straight shank drill 小螺旋角直柄钻头
slow-motion camera 慢速摄影机
slow-motion hoist 慢动卷扬机
slow-motion recorder 慢动作录像机
slow-motion video tape recorder 慢动作录像机
slow-neutron detector 慢中子探测器
slow-operating relay 缓动继电器
slow-release neutral relay 无极缓释继电器
slow-setting glass 长性玻璃
slow-speed bridge crane 慢速桥式起重机
slow-speed diesel 低速柴油机
slow-speed mixer 低速混合器[收起]