蒸汽锻压机

steam-operated forging press

• police
• policeman
• policy
• polish
• polite
• political
• politician
• politics
• poll
• pollutant
• pollute
• pollution
• polymer
• polynesian
• pompeii
• pond
• ponder
• pool
• poor
• pop
• popcorn
• pope
• popular
• popularity
• popularize