core pool造句

At approximately 1 : 15 p . m . the core pool near station 15 + 00 began to settle slowly.
On the morning of September 22, 1938, an inspection by the engineer in charge of construction revealed that the elevation of the pipeline relative to the core pool near station 15 + 10 ( see attached overhead photo ) was only when it should have been.
As the settlement of the pool got larger, portions of the shell began to slide backwards into the core pool area and the majority of the upstream shell began to move into the reservoir, scarp to the west along the beach to avoid the slumping and noted that the small scarp in the core was advancing to the west at a speed equal to his own ( approximately 10 mph ( 16 km / h ) ).
It's difficult to find core pool in a sentence. 用core pool造句挺难的