Because the model has provided the foundation to determine the key parameters of modified routine method and beam-spring method, calculation of shield tunnel segment becomes more rational.
该接头刚度模型为梁-弹簧模型法和修正惯用法中的关键参数确定提供了基础，管片的内力计算也更加合理。
Top flap features a tab closure that secures with a "LRL"-embossed double spring-action shield lock at the front.
顶部瓣功能封一个标签，“LRL”浮雕双弹簧行动在前面的盾锁保护。
PVC cloth protecting curtain The automatic pull-out and take up shield with the shell made of stainless steel consists of shell, spring shaft and fabric cloth.
PVC布防护帘外壳用不锈钢材料制成的自动伸缩式防护带，是由外壳、弹簧轴、和纤维布等组成。
Housings made of steel or stainless steel automatic retractable shield, By the shell, spring shaft, and fiber cloth and so on.
外壳用钢板或不锈钢材料制成的自动伸缩式防护罩，是由外壳、弹簧轴、和纤维布等组成。
Housings made of steel or stainless steel automatic retractable shield, By the shell, spring shaft, and fiber cloth and so on.
外壳用钢板或不锈钢材料制成的自动伸缩式防护罩，是由外壳、弹簧轴、和纤维布等组成。
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