| 释义 |
slewing derrick
- 枢转起重机shū zhuǎn qǐ zhòng jī
pivot slewing crane
- 井架jǐng jià
derrick
- 钻油塔zuàn yóu tǎ
oil derrick
- 转换率zhuǎn huàn lǜ
turnover rate; slew rate; conversion rate
- 架式钢卷尺jià shì gāng juàn chǐ
derrick type steel tapes
- 起重机qǐ zhòng jī
chain block, crane, derrick, hoist, lift
- 回转huí zhuǎn
circumgyrate, gyration, gyre, gyrus, slew, turn around, turning
|