MINI construction elevator is a small vertical transport driver of the tower crane, construction personnel, repair personnel and small material of construction machinery.

MINI施工升降机是一种小型的垂直运输塔机司机、施工人员、维修人员及小型物料的施工机械。

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Container Crane is a large scale port machinery for container loading and unloading.

集装箱起重机是一种大型港口机械，主要用于装卸集装箱。

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Hydraulic balancing circuit is widely used in construction machinery, crane and some occasions with vertical movement parts.

液压平衡回路广泛应用于工程机械、起重机械以及一些具有垂直运动部件的场合。

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This makes for spectacular and guaranteed crane viewing, but also means that ongoing projects, including clearing vegetation off the sandbars with heavy machinery each year, are needed to protect this last stretch of habitat, not just for sandhill cranes but also for the endangered whooping cranes who migrate through the area around the same time, and of which there are only 300 left in the wild.

BBC: Nebraska��s awe-inspiring crane migration