英文關鍵字
blast
factory
furnace
industry
iron
manufacturing
metallurgical
preparation
pressure
production
removal
rust
sand
sandblast
sandblaster
shotblast
smelting
steel
streetlamp
suit
technology
英文關鍵字
blast
factory
furnace
industry
iron
manufacturing
metallurgical
preparation
pressure
production
removal
rust
sand
sandblast
sandblaster
shotblast
smelting
steel
streetlamp
suit
technology