| Source | Target | | 真空控制的 | vacuum-controlled, vacuum-operated |
| 真空泵 | vacuum pump |
| 真空点火提前 | vacuum advance |
| 真空管 | vacuum pipe |
| 真空计 | vacuum gage, vacuum gauge |
| 真空连接 | vacuum connection, vacuum port |
| 真空阀 | vacuum valve |
| 眩目 | dazzlement |
| 着色的 | tinted |
| 瞬心 | instantaneous centre, roll centre |
| 瞬态 | transient state |
| 矩守恒法 | conservation of moments, principle of moments |
| 短冲程发动机 | short-stroke engine, undersquare engine |
| 短柄螺丝刀 | stubby screwdriver |
| 短波 | short wave |
| 短缺 | shortage |
| 短路 | short, short circuit, short-circuit contact, short circuiting |
| 短路电流 | short-circuit current |
| 短路阀 | short-circuit valve |
| 石墨 | graphite |
| 石棉 | asbestos |
| 石油化学 | petrochemistry |
| 石英钟 | quartz clock |
| 石英音叉系统 | quartz tuning system |
| 石蜡 | paraffin |
| 石蜡油 | mineral oil |
| 砂布 | abrasive cloth, emery cloth |
| 砂眼 | blow hole |
| 砂磨块 | sanding block |
| 砂纸 | abrasive paper, sand paper |
| 砂轮切割机 | abrasive cutting-off wheel, abrasive wheel, grinding wheel |
| 研磨 | grind |
| 研磨剂 | abrasive compound |
| 研磨机 | abrasive machine, grinder, grinding machine |
| 研磨膏 | grinding paste, lapping component |
| 研究 | research |
| 研究法辛烷值 | research octane number |
| 破坏 | wreck |
| 硅 | silicon |
| 硅晶体管 | silicon transistor |
| 硅树脂 | silicone resin |
| 硅橡胶 | silicone rubber |
| 硅酮 | silicone |
| 硫 | sulphur |
| 硫酸 | sulphuric acid |
| 硫酸盐 | sulphate |
| 硫酸鉛 | lead sulphate |
| 硬化剂 | hardener |
| 硬合金的 | hard-faced |
| 硬橡胶 | hard rubber |
| 硬玻璃 | hard glass, safety glass, tempered glass, toughened glass |
| 硬金属 | hard metal |
| 硬顶式 | hard-top |
| 碎木橛 | scobs |
| 碎片 | scrap |
| 碘钨灯 | iodine lamp |
| 碟形板 | dished plate, saucer spring |
| 碟形的 | dished |
| 碰撞 | collision, crash |
| 碰撞传感器 | crash sensor, impact sensor |
