center cracked panel specimen ， CCP specimen

center cracked tension specimen ， CCT specimen

24-hour urine specimen collection

4ENF specimen

a little amount specimen

accuracy among specimen batchs

all-weld metal test specimen

all-weld-metal test specimen

aluminum specimen

animal specimen

animal tissue specimen

ANNULAR SPECIMEN

Arc-shaped specimen

artery east specimen

artificial specimen

axial tensile specimen

base metal test specimen

base-metal test specimen

Beam Specimen