您要查找的是不是:
- X70钢级X70grade
- X70钢级弯管X70 grade steel elbow
- X70钢级管线钢X70 grade steel for line pipe
- X70钢X70 steel
- BTA和HMMP对X70钢在含H_2S弱酸性溶液中的缓蚀作用INHIBITION OF BTA AND HMMP TO X70 STEEL IN H_2S WEAK ACIDIC SOLUTION
- 级联connection
- 校级field rank
- 钢厂steelworks
- 英语四级English Band 4
- 碳钢carbon steel
- 钢的steel
- 大学英语四级College English Band 4
- 一级的firstlevel
- 钢带metal strip
- 船级ship' classification
- 钢化steel
- 三级片third-grade film
- CPB和TU对X70钢在硫酸溶液中的缓蚀行为的电化学研究Study on Inhibition Behavior of CPB and TU on X70 Steel in H_2SO_4 Solution
- 无级stepless
- 铸钢cast(carbon) steel