It is a sloping green valley, concave in shape, its upper rim coming in direct contact with a series of enormously high cliffs that rise almost vertically.
这是一处倾斜的绿色山谷，呈凹形，山谷上缘直接连接连绵的、高不可攀、近乎垂直的悬崖。
2
Align the ring-form concave of pressing jaw with the rim on press-fitting, in groove of which a rubber ring is mounted, and compress it bv pressing tools.