caisson yard
沉箱预制厂
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结合某沉箱预制厂现场作业情况，以安全系统工程分析法和故障树分析法，分析沉箱预制过程存在的危险因素，并提出安全控制措施。
The results of the two techniques have been compared and the measures for prefabrication of caissons in winter seasons are also proposed.
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