2) permanence type of acquiring pressure equipment
永久式测压装置
1.
With the popularization of finery management thought for reservoir, permanence type of acquiring pressure equipments have been installed in most of wells on offshore that make it necessary to explore a well testing interpreting method for down hole pressure monitoring data.
随着油藏精细化管理思路的推广,海上油田大量的油井安装了永久式测压装置,对井下压力监测数据的试井解释方法进行探索成为必要。
4) manometric apparatus
差压式测定装置
1.
With manometric apparatus, the author presented here the differences concentration of dilute and seed solution.
通过使用BOD5差压式测定装置,提出了不同于标准法中稀释水浓度和接种液浓度的问题。
5) high voltage monitoring and control device
高压测控装置
6) pressure measuring unit
压力测定装置
补充资料：永久债券
永久债券 Perpetual Bond
定义：
不设到期日的债券。此种债券不可赎回，但可提供永久的利息收入。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。