concertina的例句大全

High stone walls topped with snaky concertina wire, set off at intervals by looming guard towers.

顶部装着蛇腹式铁丝网的高高的石墙, 被渐渐隐现的哨塔隔开.

Fanfold: Also called Accordion fold , Concertina fold , Over and back fold , Zigzag fold.

扇形摺: 亦称风琴摺, 之字摺.

Its main bridge-a huge concrete structure-now lies concertina ed on the riverbed.

钢筋混凝土结构的主要桥梁,被扭扁坍塌在河床.

But their words helped pierce the concrete and concertina wire of the Iron Curtain.

但是这些话穿透了铁幕的水泥墙和铁丝网.

But this concertina movement requires a lot of energy.

但这种伸缩运动需要大量能量。

Tool electrode driven by piezoelectric actuator makes concertina movement each pulse discharge, achieving micro-feeding.

每次脉冲放电，工具电极都在压电致动器的驱动下作伸缩运动，从而实现微进给。