相似主題
英文關鍵字
close up
time
gray
industry
test
rectangle
strength
brick
cement
material
rough
experiment
laboratory
block
concrete
Cracked
control
video
mechanical
blocks
check
for
testing
cinder
deformation
lapse
verification
characteristics
相似主題
英文關鍵字
close up
time
gray
industry
test
rectangle
strength
brick
cement
material
rough
experiment
laboratory
block
concrete
Cracked
control
video
mechanical
blocks
check
for
testing
cinder
deformation
lapse
verification
characteristics