CNPC
|
PetroChina
|
TGRI中文
站内搜索
Home
|
Introduction
|
Research & Development
|
Quality & Standardization
|
Engineering Technical Services
|
Rotary Fatigue Machine Testing System
打印
2018/04/23 10:52
字体:
[大]
[中]
[小]
Main Application: Used for evaluating the fatigue performance of drilling tool through the S type load and the U type load.
2018-04-23 10:52
来源:
责任编辑: