1) implanted gauge
永置式压力计
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) diaphragm ga(u)ge
膜式压力计
5) diaphragm-type pressure gauge
模式压力计
6) draft indicator
差式压力计
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。