sleepern.睡眠者;枕木;卧铺;爆冷门;耳环
Sleeper Odontobutis yaluensis鸭绿沙塘鳢
sleeper-crib tamping machine枕间捣固机
sleeper railway crossing spike岔枕道钉
Sleepers are not available now.没有卧铺了。
Sleeper hydraulic Pressure Switch Machine轨枕型液压转辙机