SLDn.双倍左移(图纸的装箱单日;拉门;减速;螺线管)
SLabbr.透镜分光计(=lens spectrometer)abbr.海平面(=sea level)
sliding form design滑模设计
sliding flue damper烟道活档
sliding mesh method滑移网格法
sliding-zone soil滑带土
sliding timber weir插板堰
sliding center sill滑动中梁
sliding spool valve滑阀
sliding condyle rod髁梁
sliding dowel block滑块固定块
slubbed wool fabric粗纺毛织物