吊杆的英文：
steeve

The ginpole is the simplest form of derrick.
起重吊杆是一种最简单的起重机。

Stand clear of the swinging boom of the crane.
不要走近转动的超重机吊杆。

The great body of the bridge flooring and the suspenders was swayed to and fro
庞大的桥面躯体和吊杆来回地摆动。

One crane dipped into No.2 hold and came up with aShanghai sedan
一架起重机的吊杆伸入二号舱，吊出一辆上海牌轿车。

The components of a suspension bridge are: flexible cables, towers, anchorages, suspenders, deck and stiffening trusses.
悬索桥有下列构件:柔性索缆、索塔、锚固件、吊杆、桥面、加劲桁架。

A guy running from the peak of a gaff or derrick to the deck.
科桁支索从桅上斜杆或摇臂吊杆的顶端拉到甲板上的牵索