Crane and lifting systems
举一反三
- The youth ______ when I was lifting my baggage.
- Living systems are A: isolated systems B: closed systems C: open systems D: None of them
- 16. Mechanical lifting of air by the upslope slant of the terrain is called _______
- The crane is usually mounted on a pedestal to offer adequate ______ to the operator.
- The Engine Interface Control Unit () handles the interface to ______ and<br/>Hydraulic Power Supply (). A: internal systems B: external systems C: control systems D: operating systems