churn drill
冲钻机钢丝绳冲击式钻机矿业
热门单词
- height scale
- height series
- height system
- height tolerance
- height transmission
- height traverse
- height-balanced tree
- height-finding radar
- height-integrated conductivity
- height-position indicator
- height-range indicator
- heighten
- heiligenschein
- heilosphere
- Heilu soil
- Heine-Borel theorem
- Heine-Medin disease
- Heinz bodies
- heir
- heir apparent
- heir at law
