英文關鍵字
accurate
analysis
averaged
break
breaking
building
calculation
cement
check
checkout
concrete
construction
crush
cylinder
durability
equipment
examination
experiment
factory
fractures
glue
industrial
industry
inspection
laboratory
labs
load
machine
manufacture
manufacturing
material
operator
pipe
plant
press
production
quality
safety
science
separation
solid
special
specialist
steel
strength
stretching
structure
technology
test
tile