floor pillar caving 底柱崩落
caving mining with floor pillar 有底柱崩落采矿法
sublevel caving without floor pillar 无底柱分段崩落
shrinkage stoping without floor pillar 无底柱留矿法
floor r pillar 阶段间矿柱
Sometimes, we meet him in our bed, and another time, he will be on the floor or shinning the bed pillar.
有时，和他在床上相遇，在另一个时间，你就会发觉他在地板上或是正床爬床柱子。
The wall slewing crane requires no floor space, can be mounted on load-bearing concrete walls, pillar or machines with easy installations.
墙壁式悬臂吊不占用地面面积，可以安装在墙上，厂房立柱上或机器设备上，其固定方式十分简单。
Pick up the WELDING TORCH on the floor next to the right arch pillar.
拿起旁边的地板上拱的权利支柱焊炬。
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