英文關鍵字
adhesive
anchor
background
before
bolt
build
concrete
connection
construction
equipment
expansion
fastener
fix
head
industrial
industry
insert
iron
material
metal
metallic
nut
object
places
professional
securing
steel
tool
wall
英文關鍵字
adhesive
anchor
background
before
bolt
build
concrete
connection
construction
equipment
expansion
fastener
fix
head
industrial
industry
insert
iron
material
metal
metallic
nut
object
places
professional
securing
steel
tool
wall