When you beat, train yourself to use your lower-arm and wrist muscles; if you beat from your shoulder you will tire quickly.
搅拌时要多多练习使用前臂和腕部的肌肉,如果靠肩膀来搅,那你很快就要累得抬不起胳膊了。
2
Therefore, to use a certain time to pay special attention to the tire pressure, high-speed after period of time if found tire pressure, high wall overheating, should stop immediately.