人妻综合网,中文字幕被公侵犯的漂亮人妻,噜噜洲,性色AV无码久久久久

Input test功率測試Heating test溫升測試Humidity test濕度測試Glow-wire test灼熱絲試驗(yàn)態(tài)測試Over Load test過載測試Leakage current measurements漏電流測試Electric Strength test耐壓測試Earth continuity test接地電阻測試Cord anchorage test電源線拉力測試Stability test穩(wěn)定性測試Plug torque test插頭扭矩測試Impact test沖擊測試Capacitor discharge test at plug插頭放電測試Fault conditions test元器件破壞測試Working voltage measurement工作電壓測試Motor lock-rotor test馬達(dá)堵轉(zhuǎn)測試Low and high temperature test高低溫測試Tumbling test 滾筒跌落測試Insulation resistance test絕緣電阻測試Ball pressure test球壓測試Screw Torque test螺絲扭力測試Needle flame test針焰試驗(yàn)