英文關鍵字
action
backfilled
builder
building
compact
compacting
compaction
compactor
compressing
compression
compressor
construction
contractor
detail
ditch
earth
earthwork
engineering
equipment
fill
flat
foundation
geotechnical
ground
groundwork
hammer
heavy
hole
hydraulic
industrial
industry
labor
machine
machinery
manual
plate
preparation
rammer
sand
site
soil
support
tamper
tool
vibrating
vibration
vibrator
vibratory
work
worker