The normal supporting principle of rockbolt is improving the balance of stresses of surrounding rock mass.

锚杆支护的一般作用原理是提高围岩各向力的平衡程度。

youdao

The coupling balance supporting principle of inner and outer structures is put forward for these roadways.

分析深井煤层巷道围岩变形特征和支护失效的原因，提出此类巷道的内外结构耦合平衡支护原理。

youdao

On the basis of mechanism of soft rock deformation, the coupled supporting principle has been developed in this article.

根据煤矿软岩的变形力学机制，提出耦合支护力学原理。

youdao

The finance and enterprise committees brought a joint motion on supporting in principle the devolution of corporation tax powers to the Northern Ireland Assembly, on 28 June 2011.

BBC: Devolution of Corporation Tax

It has sought to become influential in the region by supporting the principle of integrating Latin American countries into an autonomous group, independent of the United States or any world power.

CENTERFORSECURITYPOLICY: A closer look at Brazil��s foreign policy

Supporting Lords reform in principle but holding it up in practice might become hard for Ed Miliband, the Labour leader, to explain.

ECONOMIST: Reforming the House of Lords: The coalition��s millstone | The