This paper introduced a combined supporting technology, including first supporting, high-strength bolt-net-cable supporting, second supporting, long ring support and grouting behind support.

介绍了该矿采用的高强锚网索一次支护、长环形支架二次支护以及壁后注浆的联合支护技术。

youdao

On this day, the One World Trade Center workers were lowering in to place the very first ring that would support the spire, or antenna, of the tower.

FORBES: A Tour Of One World Trade Center

He turns to his mother in Texas for support and viewers learn that the ring he had planned to give Amy when he proposed belongs to his great-grandmother, illustrating that, in his own way, he really does care.

CNN: 'Big Bang Theory': Penny and Leonard say 'I do' �� now what?

It says that schools that manage the cash well are likely to have ring-fenced it, will aim to support disadvantaged pupils to achieve the highest levels and understand that all teaching must meet the needs of each pupil.

BBC: Schools could do better with pupil premium, says Ofsted