英语语法分析

The paper also gives the range of stability of key block of voussoir beam and measures to be taken in various conditions.

文中还给出了“砌体梁”关键块体结构的稳定范围及在各种条件下应采取的相应措施。

Through the analysis of jig, the air operated jig was used which is composed by the voussoir-roller aggregate unit to solve the present production problems.

通过对夹具的分析，决定采用由楔块-滚柱联动机构组成的气动夹具来解决生产中的实际问题。

The major factors that affect the stability of the structure are rotational angle of the voussoir beam, ratio of length and height, rock type and height of carrying rock strata.

块体的回转角、长高比、岩性及负载岩层的高度是影响结构稳定的主要因素。