Mining backfilling is restrained by relatively high filling cost.充填采矿由于充填成本较高而制约着其发展.High - water rapid - hardening backfilling with whole tailings is a new developed backfilling technology.全尾砂高水速凝充填技术是一项新近发展起来的充填技术.Its ...
我像往常一样铺开我的睡袋。I unrolled my sleeping bag as usual.他们铺开红地毯迎接客人.They rolled out the red carpet for the guests.运动已经全面铺开.The movement is fully under way....
Their furniture will stay in the warehouse until they have paid the storage fee.他们要等交了保管费之后才能把家具搬出货栈。Customers who overdraw their accounts will be charged a fee.透支的存户须付手续费。The boss of the ballroom excused them the fee.舞厅...
The amplitude of the vibration determines the loudness of the sound.振动幅度的大小决定声音的大小.The students began to enter the classroom and Anna was startled at their loudness.学生们开始进入教室.安娜被他们的喧闹声吓了一跳.His heart bumped in his breast ...