These peak stresses may lead to cracking in the wiper arm.This can lead to impaired operation, and in extreme cases to breakage and loss of the wiper arm.

• 这些应力集中点可能导致雨刮器臂产生裂纹，从而影响雨刮器的正常运作，在极端情况下甚至可能导致雨刮器臂的断裂和脱落。