LED single side or two-sides can follow the customer's requirements!
单、双面灯箱可按照客人提供尺寸任意定做！
Because of the effect of axial force, these THs are single side hinges.
由于轴力作用，此处相变铰为拉伸侧的单边铰。
Single side safety control, arm locks with tooth type ratchet, multi-safety device, more reliable.
单边控制保险机构，齿轮锁臂装置，多重保险设计，更加安全。
Single side safety control, arm locks with tooth type ratchet, multi-safety device, more reliable.
单边控制保险机构，齿轮锁臂装置，多重保险设计，更加安全。
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