当时，我在一个小型制造车间打工，任务是从早到晚地翻转车床上的金属杆。
The job was in a small engineering workshop. My task was to turn metal rods on a lathe all day.
目前大部分轻型载货车平头驾驶室采用扭杆式翻转机构，该装置要求其锁紧机构必须安全可靠。
The principle and design method of the lockup mechanism of the cab were explained in this paper by use a type of light truck cab as an example, the advantage and disadvantage were pointed out too.
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