大直径人工挖孔桩
large diameter manpower excavation pile
化工工人
Chemical industry workers
Chemical plant workers
Employees of chemical factory
trace element
南方人工草地
artificial grassland in southern China
人工工作量模型
artificial work-load model
人工人口系统
artificial population systems
人工挖抗滑桩
man-dug hole slippery-proof pile
人工挖孔
artificial pile
manual excavation
manual digging
Manual-cut Borehole
manual hole
artificial pile digging
artificial excavating hole
manual digging hole
hand excavating
hand digging
人工挖孔大直径扩底桩
large diameter bulb pile constructed by manual excavation
人工挖孔灌注桩
artificial bored pile
Manual digging bored pile
manual excavation bored pile
manual digging piles
artificial drilled pile
manual holing boring pile
manually dug cast-in-place pile
manual dig concrete pile
manual holing pouring piles
manually excavated Dry-bored pile
manual excavating pile hole
Concrete Pile Cast in Man-Dug Hole
hand excavation cast-in-place pile
hand dug cast-in-situ pile
pouring pile of man-made digging hole
athletic sport
hand dug pile
人工挖孔扩底长桩
manually excavated belled long pile
人工挖孔扩底灌注桩
perfusion pile manpower digging and expand bottom
人工挖孔扩底桩
manually excavated belled piles
manually excavated belled pile
manual dig aperture expanded fundus pile
人工挖孔支盘桩
artificial excavating squeezed branch pile
人工挖孔桩
manual dug pile
manual excavation piles
Manual Excavated pile
manual drilled pile
artificial digging pile
manually excavated pile
artificial excavated pile
Artificial digging piles
labour excavated pile
manual digging pile
artificial drilled pile
artificially digging pile
artificial hole digging pile
manual hole digging pile
manually dug pile pit
artificial dig - hole pile
excavated pile
man digged piles
piles in artificial holes
man-made digging pile
artificial foundation pile
Manpower excavated pile
Artificila excavated piles
artifical dig-in-place piles
manual operated pile
manpower dig pile
hand dug pile
manually dug hole pile
artifical excavate piled foundation
Artificial hole filling pile
Artificial digging hole for RC piles
Manual-excavation Pile
Hand-dug Pile
Man-dig pile
man-made pile
manually-drilled pile
man-dug pile
man-bored pile
excavated belled pile
artificial digging pries
manually-excavated hole piles
cut hole pile
pile with man excavated shaft
hand dug cast in situ pile
digging hole stake with manpower