Small-scale test and industrial test all got better test index.
小型试验和工业试验均获得较好的试验指标。
The operation cost of small scale trackless equipment in a mining test is described.
介绍了小型无轨设备在采矿试验中的运行成本情况。
The operation cost of small scale trackless equipment in a mining test is described.
介绍了小型无轨设备在采矿试验中的运行成本情况。
应用推荐