【单选题】The electronic digital governor is virtually maintenance free. There are no moving parts to wear and the accuracy attainable is far ______ the mechanical governor.
【单选题】There are ____ principles and requirements we should follow by doing mechanical practice.
【简答题】验收发电机时,检查其有无机械和电路故障,可采取()试验?When checking and accepting the generator, check whether there are mechanical and circuit faults. () test can be carried out.A. 负载loadB. 启动startC. 空转idlingD. 手动manual
【单选题】So there are more sophisticated approaches, some of them are mechanical.
【简答题】There are many items that need to be guaranteed for steel. The five guarantee indexes for the mechanical properties of steel refer to , , , and .
【判断题】There are two main types: mechanical and hydraulic presses. 这句话的意思是主要有两种类型:机械压力机和液压机。
【简答题】There are two types of mechanical steering system: rack-and-pinion steering system and recirculating-ball steering system.