aluminium alloy tower bolt
an integrated installation of cable tower and buckle tower
Sylow-tower-π group Sylow-tower group
Sylow-tower-π group Sylow-tower-group
tympanic dubble tower and spray tower wet desulfuri zation technique
effective diameter of bolt or high-strength bolt
Fastening Bolt， Binding Bolt
reamer bolt [= rimer bolt]
taper bolt [= tapered bolt]
1 000 kV simulation tower
1000 MW tower-type boiler