分贝 decibel

    分析 analysis

    分析及批判学 analytical and critical studies

    分析器 analyzer

    分流器 shunt

    分界面；界面；接口 interface

    分厘卡 micrometer

    分规 divider

    分割车刀架 parting tool holder

    分解 decomposition

    分压器 potential divider; voltage divider

    隔离开关 isolating switch

    切削工具 cutting tool

    切削液 cutting fluid

    切削深度 depth of cut

    切屑；碎屑 chip

    切线锯法 tangential sawing

    切辊纹；滚纹 knurling

    切断；分切；分割 parting off

    切断工具 parting tool

    勾；勾脚 hook

    勾刀；胶片刀 plastic cutter

    化胶水 tensol

    反向偏压 reverse biased

    反相放大器 inverting amplifier

    反相器 inverter

    反射 reflection

    反电动势 back e.m.f.

    反馈；回输 feedback

    天拿水；稀释剂 thinner

    天梯牙；齿条 gear rack

    天然木材 natural timber

    天然干燥法 air seasoning

    孔隙率 porosity

    尺寸 dimension

    尺寸线 dimension line

    尺身 blade

    引力；重力 gravitational force

    心形凸轮 heart-shaped cam

    心材 heartwood

    心轴 mandrel

    心销 core pin

    手工具 hand tool

    手工锯 junior hacksaw

    手削法 paring
手持虎钳 hand vice

    手柄 handle

    手套 gloves

    手扫漆 brushing lacquer

    手推车 barrow

    手提式竖线锯 portable jigsaw