descending pipe
基本解释
- [交通运输工程]竖管道
英汉例句
- Meanwhile, due to the high frequency of braking during hoisting or descending drill pipe, the friction materials should have good abrasion resistance.
起下钻需要频繁制动,摩擦材料需要有良好的耐磨性。 - This paper describes a general trend of descending in steel pipe production in the world since 1988 and the considerable progress in its production technology.
自1988年以来,世界钢管产量总体上呈下降趋势,但钢管生产技术仍取得了长足的进步; - According to the characters of a pipe rudiment, we have developed an automatic lean-rolling descending tool . The essay introduces the instructions of the whole machine and major parts.
前言: 本文针对棒式毛坯轧制的特点,设计制造了一种斜轧精密自动下料机,并介绍了整机和主要部件的结构。
双语例句
专业释义
- 竖管道