For the permanent ramp haulage system, the side of slope with haulage ramp is permanent, and another side is a working slope.
对
举一反三
- The development haulage system is divided into the permanent ramp and .
- Which of the following is not a common type of rise coal haulage ( )? A: Pipeline haulage B: Belt conveyor haulage C: Tramcar haulage D: Autogenous haulage
- （ ） refers to the channel on a steep slope, and it is also known as the suspended ditch. A: Chute B: side ditches C: seepage ditch D: underdrain
- The horizontal or near horizontal part of a step is called( ). A: Slope B: Slope angle C: Working face D: Flat plate
- A type-1 system has a zero steady-state tracking error to a ramp input.
内容
- 0
AccSet Acc, Ramp指令中Acc指的是 ，Ramp指的是
- 1
Because of the of developing ramp in motor vehicle transport, temporary ramp is widely used in practice.
- 2
Once you start to lie, you are __________. ( ). A: on a slippery slope B: failing C: to a slippery slope D: on a slope
- 3
If the steady-state error of unity feedback control system to a ramp input is constant, then the system is a type system A: 0 B: I C: II D: III
- 4
His job in the school did not pay much, so he found another ______ . A: all the side B: on all sides C: on his side D: on the side