- 업종: Education; Oil & gas
- Number of terms: 4495
- Number of blossaries: 0
- Company Profile:
The Petroleum Extension Service (PETEX) is a unit of the Division of Continuing Education at The University of Texas at Austin and has been training companies and individuals since 1944.
一只胳膊键控与一个轴直角,并用于更改旋转半径或更改为圆形运动或往复运动向圆周运动的往复运动。对抽油机,曲柄连接由彼特曼到步进梁,从而更改圆形运动为往复运动。
Industry:Oil & gas
1.组装并加入部件,以形成一个完整的单位 (例如,以弥补钻杆的字符串)。2.,拧在一起两个螺纹的件。比较突围。3.混合或准备 (例如,以弥补泥的坦克)。4.以补偿 (例如,为了弥补失去的时间)。
Industry:Oil & gas