compressive deflection造句

Section 6.4 ( a ) of the Federal Motor Carrier Safety Administration's Standard No . 208; Occupant crash protection allows a maximum compressive deflection of a standard crash test dummy's sternum relative to the spine of 76 mm, but section 6.4 ( b ) allows a maximum of 63 mm, and I don't know which of those two values was being used in the 1.78 VC quote . talk ) 03 : 35, 18 May 2013 ( UTC)
It's difficult to find compressive deflection in a sentence. 用compressive deflection造句挺难的