Originally a high-jumper, Mr.Liu made an unusual switch into hurdling at age 15, after his original sports school had given up on him.
刘翔最初是个跳高运动员，15岁那年他原来的体校放弃了他，他因此转向了跨栏项目，这在运动员中是不多见的。
The user can jumper junction box sensor sensitivity switch from low to high jump position.
用户可以将接线盒内传感器的灵敏度跳线开关从低跳到高的位置。
The user can jumper junction box sensor sensitivity switch from low to high jump position.
用户可以将接线盒内传感器的灵敏度跳线开关从低跳到高的位置。
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