1) scraper transmission spool
铲运机传动系滑阀
2) scraper transmission selector spool
铲运机传动系选择器滑阀
3) scraper transmission oil
铲运机传动系润滑油
4) scraper transmission
铲运机传动系
5) scraper transmission system
铲运机传动系统
6) scraper power train oil
铲运机动力传动系润滑油
参考词条