The external size, quality, brake, handle-bar bell and night reflectors of a non-motor vehicle shall be in conformity with the safety and technical standards for non-motor vehicles.

非机动车的外形尺寸、质量、制动器、车铃和夜间反光装置，应当符合非机动车安全技术标准。

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Fit the dial gauge with some preload and measure the lateral runout at the greatest external diameter of the brake disc.

在带有一定预载的情况下安装百分表，然后测量制动盘最大外径处的横向跳动。

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Simple block brake ink cartridge ink supply system, stable, convenient and support external non-stop bulk ink supply, keep working longer time without add ink;

简单的卡匣式墨盒供墨系统，稳定、方便，支持外接式连续式大供墨方案，可保持更长时间工作不频繁添加墨水；

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