| 释义 |
power shovel 释义 挖掘机:一种由动力驱动的挖掘机,由支撑杆或起重机支撑的杠杆臂和末端带有大型斗的设备组成。 例句 1·A power shovel that is driven by steam. 用蒸汽驱动的动力铲。 2·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。 3·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。
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