【单选题】The equipment must be bought from a supplier _____ by the company. [ ]
【单选题】The equipment must be bought from a ______ approved by the company.
【判断题】交流发电机从车上拆下时,应先拆下蓄电池搭铁电缆。
【单选题】以下不属于古希腊建筑柱式型制的是( )。
【单选题】The equipment must be bought from a ______ approved by the company.