液压千斤顶一般由本机(主机)、动力系统及液压控制系统三部分组成。
The hydraulic jack generally by this aircraft (main engine), the dynamic system and the hydraulic control system three parts is composed.
健康和心理卫生部说，一个身高1.78米体重79公斤的男人体重指数为25.1，则被认定为超重。
A 5-foot, 10-inch (1.78-meter) man weighing 175 pounds (79 kg) would have a BMI of 25.1 and be considered overweight, according to the department.
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