double walled tank造句

Many thousands of old underground tanks were replaced with newer tanks made of corrosion resistant materials ( such as fiberglass, steel clad with a thick FRP shell, and well-coated steel with galvanic anodes ) and others constructed as double walled tanks to form an interstice between two tank walls ( a tank within a tank ) which allowed for the detection of leaks from the inner or outer tank wall through monitoring of the interstice using vacuum, pressure or a liquid sensor probe.
It's difficult to find double walled tank in a sentence. 用double walled tank造句挺难的