a hydraulic crane的意思|示意

Hydraulic crawler crane is a crane.

液压履带式起重机是起重机的一种。

We see the signs of a us recovery in the hydraulic crane business and Crawlers (under 200t) have also shown some improvement over prior years.

我们看见美国市场在液压起重机方面的复苏迹象，同时履带式起重机(200吨以下)销售也要比前几年有所改善。

According to the "special equipment directory", lorry crane which belongs to a hoisting machine in mobile crane, code 4490, and the hydraulic lifting platform vehicle is in crane lift type, code 4890.

根据《特种设备目录》，随车起重机属于起重机械中流动式起重机类，代码为4490，而液压升降平台车则属于起重机械中的升降机类，代码为4890。

On these cranes, the hydraulic RAMS that extend to raise up the crane do not push on the boom, but instead on a pivoting link-bar.

这些起重机，液压冲力并不是作用于吊杆上，而是作用于一个铰链连接杆。

Imitating the project of electrical and hydraulic proportional valve, a CAM mechanism is adopted to input and convert the signal of crane arm's radius changing.

系统的控制信号输入方式借鉴电液比例阀方案，采用凸轮杠杆机构，从而利用了凸轮容易实现任意函数关系转换的优点。

GPC4 MULTIPLE hydraulic gear pump is used as a crane parts.

GPC4多联液压齿轮泵是用于起重机的一种配件。