石基上

但石基上圆木的围墙悬挂；

But the log walls hang on the stone foundation ;

她过去坐在铁栏门的石基上，紧靠着那根铁条，仿佛是在守护它。

She seated herself on the underpinning of the railing , close beside the bar , as though she were guarding it .

和那办理朝政的三大殿一样，他们也座落在同一个南北中轴线上，一个两层的汉白玉石基上。

Like the three great halls for official ceremonies , they stand along the same north-south axis on a second huge stone terrace .

FCC汽油在β沸石基催化剂上的非临氢降烯烃

Olefin reduction of FCC naphtha over β zeolite catalyst in the absence of hydrogen

我分辨出那些由天然石柱支架起来的、穹窿很宽大的形成轮廓的起拱石，这些石柱的宽大底座安在花岗岩的石基上，像托斯甘式建筑的笨重石柱那样。

I distinguished the unpredictably contoured springings of a vault , supported by natural pillars firmly based on a granite foundation , like the weighty columns of Tuscan architecture .