power shovel造句

1、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。

2、a power shovel that is driven by steam
用蒸汽驱动的动力铲。

3、A power shovel that is driven by steam.
用蒸汽驱动的动力铲。