充填料以银汞合金为好.The best filling material is silver amalgam.通过试验, 优化了碎石胶结充填料配比.Through the experiments, the mixture ratio of cemented crushed stone backfilling materials was optimized.充填料挤压输送泵是一种用于矿山充填的专用设备.The squeezed trans...
Most credit agencies run a 15-year blacklist effectively barring bankrupts from receiving credit.大多数信贷机构都有一份为期15年的黑名单，以有效阻止破产者得到贷款。You are bankrupts; your part is over.你们破产了, 你们已经寿终正寝了....
这种机器有两种可调的速度: 快速和慢速.This machine has two settings: fast and slow.支承中心应做成可调的.The center of support should be made adjustable.该行程可借助可调的止动螺钉加以限位.The stroke may be limited by adjustable stops....