短語(yǔ)詞組短語(yǔ)bottom m hole flowmeter 井底流量計(jì)bottom -hole flowmeter 井底流量計(jì)bottom hole turbine flowmeter 井下渦輪流量計(jì)bottom hole float type flowmeter 浮子式井下流量計(jì) 返回 bottom hole flowmeter