Axial Flow Primary Fan  轴流式一次风机

Axial-flow Primary Fan  轴流式一次风机

constant primary flow chilled water system  定流量一次泵水系统

constant-primary-flow  一次泵定流量

fuel oil primary filter  燃油粗滤器

Ordovician primary oil reservoir  奥陶系原生油藏

Primary Flow  主流; 初始流量

primary flow pipe  主出水管

primary flow structure  原生怜构造; 原生流动构造

primary flow with water vapor  含水蒸气

PRIMARY OIL  初级油; 原油

primary oil and gas pool  原生油气藏

primary oil and gas reservoirs  原生油气藏

primary oil decline  一次采油量递减

primary oil filter  机油粗滤器

primary oil gas pool  原生油气藏

primary oil recovery  一次采油

primary oil removal tank  一次除油罐

primary oil-gas pool  原生油气藏