青云翻译

When together, ea4t impact toughness of the steel was unchanged before and after reduction trend;

When a common role, impact toughness of EA4T steel was unchanged after the trend of reduction;

When affects together, after the EA4T steel impact tenacity assumes the tendency which is first invariable reduces;

When you work together, EA T 4 impact toughness of the steel is reduced to change the trend.

When a common role, impact toughness of EA4T steel was unchanged after the trend of reduction;