架绩开挖机的英文怎么说

4次大中小

架绩开挖机的英文：
trestle cable excavator

trestle是什么意思：
n. 支架,高架桥

Its upper end is hinge connected to a trestle on top of the tower head
它的上端与塔端上的支架成铰接。

A transverse structural member or framework used for strengthening a bridge or trestle.
排架用于加固桥梁或支架的横向构架或框架

Qin Zhong had already lost consciousness several times and been rifted on to a trestle-bed to die.

cable是什么意思：
n. 缆；索；电缆
v. 缚住

open link cable
开口链环锚链

anchor cable stopper
锚链制动器

clutch control cable
离合器控制电缆

excavator是什么意思：
n. 开凿者,打洞机,开凿机
挖掘机

A tiny excavation may remain.
会留下一个小洞窟。

The excavation of canals is difficult.
运河的开凿是很困难的事。

In time these new excavations will require conservation.
这些刚发掘出来的物品需要及时保护。