SIFXn.模拟装配夹具
SIn.国际单位制
siallite-carbonate weathered crust硅铝碳酸盐型风化壳
simplified numerical analysis method简化数值分析法
Simplification of Chinese characters汉字简化
Simplified Hand-Held Terminal Unit方舱
simplified Chinese character version简体中文版
similitude - and - dissimilitude灰色关联
simplified operating instruments kit筒易手术器械包
Simulator Projectile Airburst Liquid模拟器弹射炸弹空中爆炸流体