| 释义 |
ventilator derrick
- hyperventilationn. 换气过度,强力呼吸
- extraterritorialityn. 治外法权
- counterintelligencen. 反情报；反间谍活动
- 井架jǐng jià
derrick
- 换气扇huàn qì shàn
ventilator
- 送风机sòng fēng jī
blower, ventilator
- 通风机tōng fēng jī
fanner, ventilator
- 钻油塔zuàn yóu tǎ
oil derrick
- 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
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