国语自产偷拍精品视频偷,扒开腿挺进湿润的花苞,老师真嫩真紧好爽20P,小太正裸体脱裤子无遮挡

?Description

?1. Technical basis and calibration method of the test:

GB10586-89 Damp heat test box technical conditions (for constant temperature and humidity chamber)

GB/T5170.5-96 Electrical and electronic products environmental test equipment basic parameters verification method

― Temperature and humidity test equipment (for constant temperature and humidity chamber)

GB10589-89 Low temperature test chamber technical conditions (for low temperature equipment)

GB11158-89 high temperature test box technical conditions (for high temperature equipment)

GB10592-89 High and low temperature test chamber technical conditions (for high and low temperature equipment)

GB/T5170-96 Electrical and electronic products environmental test equipment basic parameters verification method

          ― Temperature test equipment (for high temperature, low temperature, high and low temperature equipment)