使用稳定性 meaning in English

service stability
stability in use

Blinds and shutters - suitability for use of tubular and square motorizations - requirements and test methods
窗帘和百叶窗.管状和方形机械化使用稳定性.要求和试验方法
Import the degree of high density to inhale silver sponge , when reducing shuffle the collision that produces sound : japan packs import generator , ensures to use stability
进口高密度吸银海绵，减少洗牌时产生的碰撞声：日本原装进口电机，确保使用稳定性。