| Source | Target | | 防水 | water-repellent |
| 防水衬条密封玻璃 | glass-to-weatherstrip sealer |
| 防滑差速器 | limited-slip differential |
| 防滑式差速器 | controlled-slip differential, limited-slip differential, locking differential, self-locking differential |
| 防滑控制 | adaptive wheel-slip control, anti-slip control, automatic stability control, traction control system |
| 防滑的 | non-slip |
| 防滑链 | anti-skid chain, snow chain, tire chain, tyre chain |
| 防火墙 | firewall |
| 防烟控制 | anti-puff control, smoke stop |
| 防热变形活塞 | autothermic piston |
| 防眩后视镜 | anti-dazzle rear mirror, day/night rear mirror, glare-proof rear mirror, dimming mirror, dipping mirror |
| 防粘剂 | anti-seize compound, brake grease |
| 防腐剂 | preservative |
| 防腐蚀 | corrosion-proof, corrosion-resistant, rust-proof |
| 防蚀剂 | anti-corrosion agent, rust remover |
| 防踏杠 | anti-tramp bar, control arm, supporting arm, suspension arm, suspension link |
| 防锈油 | rust-proof oil |
| 防锈的 | rust-proof |
| 防雾织物 | anti-mist cloth |
| 防震弹簧 | anti-rattle spring, dynamic damper, vibration damper |
| 防飞石装置 | stone deflector, stone guard |
| 阳极 | anode |
| 阴极射线示波器 | cathode ray oscilloscope |
| 阶梯轴 | stepped axle |
| 阻力 | resistance |
| 阻力试验 | resistance test |
| 阻塞二极管 | blocking diode |
| 阻尼器 | anti-roll bar, anti-sway bar, stabiliser bar, stabilizer bar |
| 阻尼电阻 | damping resistance, resistive suppressor |
| 阻尼管 | damping tube, shock-absorber tube |
| 阻抗 | impedance |
| 阻挡层 | barrier layer, belt, stabiliser plies, stabilizer plies |
| 阻挡方向 | blocked direction |
| 阻火器 | flame arrester |
| 阻燃剂 | fire-retardant |
| 阻碍 | block, obstruct |
| 阻风门 | choke |
| 阻风门拉线 | choke cable, choke control cable |
| 阻风门指示灯 | choke control light |
| 阿伦扳头 | Allan spanner, Allan wrench, hexagonal socket-screw spanner, hexagonal socket-screw wrench, socket-head spanner, socket-head wrench |
| 阿克曼转向机构 | Ackermann steering |
| 附件 | appendages, auxiliary parts, fittings |
| 附属品 | add-on part |
| 附着 | adherence, adherent connection, adhesion |
| 附着接头 | adhesive joint |
| 附着系数 | adhesion coefficient, coefficient of friction |
| 降低 | lower |
| 降解 | decomposition, degradation |
| 限位凸轮 | limitation cam |
| 限位块 | bump stop, rubber buffer, rubber stop, rubber stopper |
| 限位开关 | final cut-out, limit switch |
| 限位挡块 | limitation stop |
| 限制 | limitation |
| 限压阀 | pressure-limiting valve, pressure-reducing valve |
| 限速 | speed limit |
| 限速装置 | speed-limiting device |
| 除油器 | degreaser |
| 除湿器 | moisture separator, water separator, water trap |
| 除碳 | carbon removal |
| 除虫剂 | insect remover |
