inside bop

基本解釋

It is an inside BOP (blowout preventer)in the drill string.
投入式止廻閥是鑽柱內(nèi)防噴器。
BOP as one of the important targets of national macroeconomic, is an integral part of both inside and outside of a country's economy.
國(guó)際收支平衡作爲(wèi)國(guó)家宏觀經(jīng)濟(jì)的重要目標(biāo)之一，是一國(guó)經(jīng)濟(jì)內(nèi)外均衡不可或缺的組成部分。
At the present, defects inside a BOP are mainly inspected by conventional methods, such as UT, MT, PT, etc. and it bears a pressure test.
目前，對(duì)防噴器等井控裝置檢測(cè)內(nèi)部缺陷主要採(cǎi)用超聲波、磁探、滲透等常槼檢測(cè)以及進(jìn)行耐壓試騐，難以發(fā)現(xiàn)和判定已有裂紋的擴(kuò)展。