J represents distance above reference point Y (top of mount bracket).
J代表距离参考点y的距离(安装托架顶部)。
The wall mount bracket will help you safely store your instrument quickly and easily.
壁挂托架将帮助你更安全快捷地储存你的仪器。
The wall mount bracket will help you safely store your instrument quickly and easily.
壁挂托架将帮助你更安全快捷地储存你的仪器。
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