| 释义 |
subsurface flowmeter
- 流量计liú liàng jì
flowmeter
- 表面下的biǎo miàn xià de
subsurface
- 涡街流量计wō jiē liú liàng jì
VSF(vortex shedding flowmeter); vortex street flowmeter; vortex flow meter
- 井下安全阀jǐng xià ān quán fá
subsurface safety valve; DHSV(downhole safety valve)
- 容积式流量计róng jī shì liú liàng jì
positive displacement meter; volume meter; volumetric flowmeter
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