pen ①筆，筆尖，墨水筆②欄，圈
pen plotters 筆式繪圖儀 筆式繪圖機(jī)
pen recorder 描筆式記錄器，筆式記錄儀
pen rising mechanism 抬筆機(jī)構(gòu)
pen ruling machine 劃線機(jī)
pen speed 筆速 筆速
pen width 筆寬 筆寬
pen-and-ink recorder 自動記錄器
pencil beam 尖向束
pencil gate 鉛筆形澆口
pencil glide 鉛筆式滑動
pencil of curves 曲線束
pencil tube 筆形管
pencil-type triode 鉛筆式三極管
pendant 吊架，懸掛物
pendant control switch 懸掛式按鈕開關(guān)
pendant group 側(cè)基
pendant shearing machine 懸臂式剪毛機(jī)
pendant-type air hoist 懸掛式氣動吊車
pendent lamp 吊燈
pendent plow 步犁
pendent pull switch 拉線開關(guān)
pendent push 懸垂式按鈕
pendulate 擺動，擺振，振動
pendulous absorber 擺式減振器
pendulous accelerometer 擺式速度計(jì)
pendulum 擺
pendulum bearing 擺動軸承
pendulum bob 擺錘
pendulum crane 擺式吊車
pendulum crusher 擺式破碎機(jī)
pendulum damper 擺式減振器
pendulum hardness 擺撞硬度，沖擊硬度
pendulum impact strength 擺錘沖擊強(qiáng)度
pendulum impact system 擺錘式?jīng)_擊系統(tǒng)
pendulum impact test 擺錘式?jīng)_擊試驗(yàn)
pendulum impact tester 擺錘式?jīng)_擊試驗(yàn)機(jī)
pendulum impact testing machine 擺錘式?jīng)_擊試驗(yàn)機(jī)
pendulum meter 擺儀
pendulum mill 擺式軋機(jī)
pendulum motion 擺動
pendulum pile driver 擺式打樁機(jī)
pendulum press 擺式壓力機(jī)
pendulum saw 擺鋸
pendulum shaft 擺軸
pendulum striking edge 擺錘沖擊刀刃
pendulum test 擺錘法，擺錘試驗(yàn)
penetrability ①貫穿性，穿透性，滲透性②透明性
penetrameter 透度計(jì)，像質(zhì)計(jì)
penetrant ①穿人物②滲透劑，穿透劑(探傷用)
penetrant inspection 滲透檢驗(yàn)
penetrant inspection unit 滲透液清洗劑
penetrant material 滲透液，滲透物
penetrant method 滲透(檢查)法，液授檢驗(yàn)法
penetrant test 浸滲試驗(yàn)，滲透試驗(yàn)
penetrant testing method 滲透探傷法
penetrants 滲透液
penetrascope 壓入式硬度計(jì)
penetrate inspection machine 浸透探傷機(jī)
penetrating ability 穿透能力，滲透檢驗(yàn)
penetrating agent 滲透劑
penetrating distance 滲透距離
penetrating frequency 穿透頻率
penetrating inspection 滲透檢驗(yàn)
penetrating method 滲透檢查法
penetrating oil 滲透(潤滑)油
penetrating power 貫穿本領(lǐng)，穿透本領(lǐng)，穿透力，穿透能力，滲透能力，滲透本領(lǐng)
penetrating property 滲透性
penetrating quality 滲透性能
penetrating radiation 貫穿輻射
penetrating smell 刺鼻的氣味
penetrating strategy 穿透策略
penetrating test 滲透試驗(yàn)
penetrating varnish 滲透清漆
penetration ①貫穿，穿透，穿透度，刺人②滲透，滲透作用，滲入③熔焊．深熔
penetration and fracture test 硬化深度-斷面粒度試驗(yàn)
penetration bead 熔透焊道
penetration coefficient 穿透系數(shù)
penetration curve 碳濃度分布曲線
penetration depth 滲透深度
penetration factor 穿透因子，貫穿率，滲透率
penetration fracture curve 淬火深度-斷面曲線(P-F curve)
penetration fusion welding 深熔焊
penetration method 滲透法
penetration number 滲透值
penetration of a cutting tool 吃刀
penetration of a tool 吃刀深度
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