The father and I stand awkwardly in the hallway, avoiding eye contact, me still holding the brush.
她们的父亲和我尴尬地站在走廊，目光都不敢和对方对视，而我的手里还拿着那个刷子。
Constant Volume Constant copper brush sliding contact characteristics of a good grip, noise, interference-free.
恒压卷恒铜刷握良好的滑动接触特性，噪音小，免干扰。
The contact pressure of the side cleaning brush during cleaning can be controlled by the tested reliable equilibrium technology.
侧面清洗刷清洗过程中的接触压力经过测试的可靠的均衡技术来控制。
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