龙门型起重机的英文

• portal crane

• 型:    mould; model
• 起重机:    crane; derrick; crab; freigh ...
• 门型起重机:    gantrycrane; portable testing set; portal crane
• 半门型起重机:    semi-portal crane
• 门型起重机,巨霸型起重机:    goliath crane