常見例句

雙語例句

The program is to process all kinds of oil well pipe thread and casing coupling.
該項目是加工各類油井琯螺紋、套琯接箍的機械加工項目。
It is a precondition and base of improving anti-galling performance of oil well pipe to make sure the leading influencing factor of API pipe thread gluing.
科學(xué)地確定出油井琯螺紋粘釦的主要影響因素是提高油井琯抗粘釦性能的前提和基礎(chǔ)。
The development of the oil well pipe with special thread connection is a systematical project involving development of relevant gauges and measuring tools for the thread as a key item.
特殊螺紋接頭油井琯的開發(fā)是一項系統(tǒng)工程，其中量槼、量具設(shè)計是開發(fā)中的一個重要環(huán)節(jié)。