bending and unbending test〔名词〕曲折试验详细»
bending and unbending test〔名词〕弯曲试验详细»
反复弯曲试验back and forth bending test详细»
反复弯曲试验alternating bending test;back and forth bending test;backward and forward bending test;bending and unbending test;ductilometer test;reverse bend test详细»