Two different kinds of failure patterns have been observed and the failure of strengthened beam is attributed to the principal stress at the endofsteel plate.
明确加固梁具有两种不同破坏模式，其破坏是由钢板端部的主应力大小决定的。
2
The list ofsteel mills to be closed appeared to emphasize smaller, older mills producing fairly low-end grades ofsteel.
名单中那些将被关闭的钢铁企业，表明了小型老旧钢铁生产企业仅仅可以生产一些低质量的钢铁。
3
In another lecture on pendulums, he stands back against the wall, holding a steel ball at the endof a pendulum just beneath his chin.