In addition, the frequencies of hip fractures caused by bicycle accident and falling down from a high altitude were slightly higher in males than in females.
除了骑自行车摔倒外，男性由自行车撞倒和高位跌下引起骨折的频率稍高于女性，但无太大差别。
The most common causes of head injury were blunt injury, high falling injury, falling injury and traffic accident.
颅脑损伤成因以钝器伤、坠伤、伤及交通事故为多。
This safety anti-falling device have high sensitivity, good reliability, simple configuration and easy to test, which can availably avoid the failing accident of the cage.
安全防坠器采用楔块式制动，灵敏度高、可靠性好、结构简单、能够有效地防止载货台坠落事故的发生。
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