钢材连接一级、二级焊缝质量检查除外观检查外，还要求（）检验并符合相应级别的质量标准。 A、红外线。 B、超声波。 C、雷达。 D、激光仪器。
（）is a logistics center where most inbound goods are the whole truck and most outbound goods are pieces. Collection center。 Collection goods center。 Consolidation center。 Deconsolidation center。
（）doesn’t need to change package of goods or to stop in any place between the origin and destination Through transport 。 Transfer transport 。 Combined transport 。 D Motor transport。
（）has three parts: warehouse, high story shelf and stacker. Multi-story warehouse。 Automatic Multi-story-warehouse。 Stereo-style warehouse。 Stereoscopic warehouse。
（）is the environmental process to collect, sort, transport and bury or incinerate waste goods. environmental logistics 。 waste material logistics 。 returned logistics 。 recycle。
The integrated logistics activities, equipment and information network, and so on, is called （）
