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。
youdao
Left Arm: a tiger crawling, several multi-colored stars.
右手腕：一颗漂亮的小星星。
应用推荐
模块上移
模块下移
不移动