mobile crane

• 移动式起重机,游动式起重机

mobile crane的用法和样例：

例句

1. This machine is called Bridge Gantry Crane.
   这种机器叫路桥门式起重机。
2. It provides a theoretical basis for super-low headroom large tonnage overhead traveling crane development.
   为柔性化设计理念提供了有力的支持，同时为超低净空大吨位桥式起重机的成功研制奠定了理论基础。
3. If the site is small, it may be commanded by a gantry crane.
   假如场地小，则可采用龙门式吊车进行操作。
4. One difficulty in every building for heavy industry is the arrangement of the supports for an overhead crane.
   重工业的所有厂房均存在一个困难问题，即如何布置桥式吊车的支承结构。