secondary exit造句

In these cases, the secondary exit is also most useful.
The secondary exit is used in the event that the main shaft elevator fails.
A projecting bay centred at the north houses a secondary exit and the stairwell.
Most vehicles went to a secondary exit of the parking lot about 100 yards away.
In 1975, the secondary exit from the falls to the base of the mountain was cut.
It's difficult to find secondary exit in a sentence. 用secondary exit造句挺难的

The secondary exit would have been relocated to the north side of 34th Street west of Hudson Boulevard.
Naturally, the shelter must always have a secondary exit which can be used if the primary door is blocked by debris.
This secondary exit is used for the popular " Ruby Falls Haunted Cavern " which is an event for late September, through October.
The secondary exit at the middle of this station leads to Fremont Avenue on both sides and utilizes an overpass to connect both platforms.
Even these, nonetheless, require several additions to serve properly : blast doors, air-filtration and ventilation equipment, secondary exits, and air-proofing.
There are six main stadium entrances are located on the sides of the two stress, with four secondary exits ( emergency and technical ) in the corners of the territory.
The original secondary exit at the north wall has been turned into a window to make room for the elevator, and an aluminum door installed at the next window location to the west.
This gave improved efficiency ( better match of primary / secondary exit area with high Mn requirement ) at Mach 2 ( B-58 Hustler ) and Mach 3 ( XB-70 ).
The ticket collector's booth and turnstiles are at the surface in the main station building on the southwest corner of the site with a secondary exit-only structure to the east, adjacent to the parking lot.