SLGn.交换机二次网络群
SLabbr.透镜分光计(=lens spectrometer)abbr.海平面(=sea level)
sliding rail滑道
slibar fence网状挡车栅栏
sliding seat滑动座
sliding doorn.拉门;滑门
slung-load吊挂
sliding wear滑动磨损
sliding plug滑动塞
slicing line切片作业线
Slub Muhiple竹节粗度
sliding axlen.滑动轴