London Metal Exchange bonded warehouses saw copper inventories leap 17 percent in the first quarter.
第一季度，伦敦金属交易所保税仓库的铜存量跃增了17%。
2
Composites such as fibreglass and carbon fibre bonded in a plastic resin are already widely used to replace metal in making, for instance, cars and aircraft.
复合材料，比如以光纤玻璃和碳纤维合成的塑料树脂，已经在车辆、飞行器等产品制造中广泛代替金属。
3
This text has been studied under the room temperature, through changing the rubber, we have bonded many kinds of vulcanized rubber to metal.