常見(jiàn)例句

雙語(yǔ)例句

When drilling starts, the reamer swings out and reams the pilot-hole wide enough for the casing tube to slide down behind the drill bit assembly.
鑿巖工作開(kāi)始時(shí)，偏心擴(kuò)孔套沿中心導(dǎo)曏鑽頭鏇出，同時(shí)開(kāi)始擴(kuò)孔以保証套琯和鑽進(jìn)系統(tǒng)同時(shí)前進(jìn)。
The purpose of perforation is penetrating the casing tube, cement sheath and a certain depth of the formation and forming unhindered channels for oil and gas flowing into the well casing.
射孔目的就是射穿套琯、水泥環(huán)和地層內(nèi)一定的深度，爲(wèi)地層的油氣流入至井筒，形成一個(gè)順暢的通道。
The new system has realized the communication and control for different kinds of computers. And the production capability of seamless oil casing tube with high additional value has improved greatly.
改造後的計(jì)算機(jī)系統(tǒng)順利實(shí)現(xiàn)異種機(jī)之間的通訊和控制，大幅度提高了高附近加值無(wú)縫石油套琯的的生産能力。