英语释义

• a machine for excavating

片语

power scraper shovel电动刮料铲

m power shovelm3电铲

bidirectional power shovel[机]

power r shovel电铲

power shovel mechanic电铲技工

electric shovel power shovel电铲

power-shovel mining机铲开采

power shovel operator helper动力铲运营商帮手

electric mobile power shovel柴油电力移动式电铲

英汉例句

• a setting an amplitude-limiting circuit in scr-d. g. drive system for bucket hoisting and lowering in power shovel has been designed.

  设计了大型挖掘机铲斗的提升与下放，可控硅直流传动系统的给定和限幅电路。

• a control circuit for transition control in dc motor field excitation on large power shovel has been designed.

  设计了大型挖掘机械直流电动机激磁电路的转换与控制电路。

• the method of producing the teeth of bin in power shovel by vanishing mould casting and the method of operation of water toughening were presented.

  介绍了用消失模铸造生产电铲斗齿的工艺方法以及水韧处理的操作要点。

• an excitation control circuit tor direct current drive system of large power shovel has been designed.

  本文设计了大型挖掘机直流传动系统的激磁调节电路。

• in practice use w-4 power shovel often appears troubles, because walking system is frequently used.

  在实际使用过程中，w—4电铲的行走机构由于使用频率高，经常出现故障。

• therefore, the investigation and discussion on power shovel main malfunction cause, diagnose method, maintainance operation is of great significance to improving power shovel efficiency.

  因此，探讨电铲常见故障原因、诊断方法、维护操作对提高电铲作业效率有着极为重要的意义。

• it is proposed in this paper that a relay regulating loop be added in the hoist current signal of large power shovel so that rational coordination between hoist and crowd capacities can be obtained.

  本文提出在大型机械式挖掘机的提升电流信号回路中，增加继电器调节环节的方法求得提升力与推压力的合理匹配。

• a receptacle on various machines such as the scoop of a power shovel or the compartments on a water wheel used to gather and convey material.

  斗各种机器上的容器，如铲土机的铲斗，水车的戽斗，用来收集、传送物料。

• this article introduces the pollution effect factors of wjd-0.75 power shovel vehicle, and describes the pollution control and precaution measures.

  本文详细介绍了污染对wjd-0.75电动铲运机液压系统的影响，并对铲运机污染的预防与控制措施进行了阐述。