为保证施工顺利进行，且提高安全性，对正反导井及扩挖系统进行了多项技术改进，提高了安全系数。
The some techniques of guide shaft and expansion excavation are improved for assure the successful construction and raise the safety coefficient.
机械化和更加严格的监管使得煤矿安全系数提高了很多。
Mechanization and stricter supervision have greatly improved mine safety.
“机械化和更加严格的监管使得煤矿安全系数提高了很多。只要你打起精神，集中120%的注意力，并按照安全规范作业的话，一般不会有问题的。”他给我们这么说。
"Mechanization and stricter supervision have greatly improved mine safety. As long as you pay 120 percent attention and follow safety instructions, you will be OK," he says.
并支持双方认证，极大提高了系统的安全系数。
The system supports the mutual authentication, and greatly improves the coefficient of security.
在分析产生上述问题的基础上，采取轴体防断措施，并对马达进行了改进，大幅度提高了动力钻具的使用寿命及安全系数。
Based on the analysis of failures, measures were taken to protect shaft body from break, prolong motor life and improve safety factors.
汽车有了安全气囊当然安全系数提高了，但您知道安全气囊也有保质期吗？
The autombile had the air bag ipso facto the safe coefficient to raise, but do you know that the air bag has already protected a guilder term as well?
本实用新型提高了抽屉开关柜的安全系数，同时结构简单，有利于工业化生产。
The utility model increases the safety coefficient of the drawer cubicle switchboard. It is simple in structure and advantageous for industrialized production.
因为提高了珍珠棉材料的缓冲性能，所以保证了客户的产品在运输中安全系数。
Because the buffering performance of the pearl cotton material is improved, the safety factor of products of customers in transportation is ensured.
因为提高了珍珠棉材料的缓冲性能，所以保证了客户的产品在运输中安全系数。
Because the buffering performance of the pearl cotton material is improved, the safety factor of products of customers in transportation is ensured.
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