双中英惯用短语:
| - 双管供暖系统 two pipe system
- 双管供热系统 two pipe heating system
- 双管压力表 double-tube pressure gauge
- 双管压差流量计 differential twin-flowmeter
- 双管喷射器 double injector
- 双管喷射器 double-tube injector
- 双管喷射泵 two-pipe jet pump
- 双管围油栏 double tubed containment boom
- 双管悬挂器 dual string tubing hanger
- 双管水力封隔器 dual hydrostatic packer
- 双管水平排列的枪械 Side by Side
- 双管水银气压表 double tubing mercurial barometer
- 双管热水上分式供暖系统 two pipe hot water downfeed system
- 双管热水下分式供援系统 two pipe hot water upfeed system
- 双管直接回水供暖系统 two pipe direct return system
- 双管稠油泵 dual string thick oil pump
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