Розмір відео: 1280 X 720853 X 480640 X 360
Показувати елементи керування програвачем
Автоматичне відтворення
Автоповтор
Hello please tell me that how to know in which direction unit load should be applied, in book in some cases tensile load is used and in some cases compressive load is used
Hello please tell me that how to know in which direction unit load should be applied, in book in some cases tensile load is used and in some cases compressive load is used