snowcatn.雪地履带式车辆
snown.雪;积雪;下雪vi.下雪vt.使变白;雪覆盖
snow-thawing agent融雪剂
snow protection hedge防雪篱
snow-making machine造雪机器
snow- melting agent融雪剂
snow shovel reflector雪铲形反射器
snow cleaning vehicle除雪车
snow water equivalent雪水当量
snow disaster railway铁路雪害
snow-moving machine清雪车
Snowden's stethoscope