紧贴人体曲线，符合人体工程学原理。
It is close to human body shape, and accords with ergonomic principles.
它有一个符合人体工程学和可靠的设计。
符合人体工程学的背板将确保在整个一天的自定义和安全合适。
Ergonomic Back Panel will ensure a custom and secure fit throughout the day.
折叠式手柄，调节方便；集成控制面板，操作便捷，安全可靠，符合人体工程学。
Folding handle and integration control panel, to make operation easy and safe.
音乐符合人的听觉，人体工程学。
Music is suited for people's sense of sound, human engineering.
音乐符合人的听觉，人体工程学。
Music is suited for people's sense of sound, human engineering.
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