erecting jib

用法例句

This paper introduces the actual operating course of the truss hoisting with herringbone rotating longeron supported by concrete frame.

介绍了利用砼框架支撑人字转动桅杆吊装桁架的实际操作过程。

HOISTING TECHNIQUE OF PORTAL MAST OF TERMINAL BUILDING T3A FOR CAPITAL INTERNATIONAL AIRPORT

首都国际机场T3A航站楼门式桅杆吊装技术

Installation Technology for Steel Mast on Super Tall Building's Roof under Special and Complicated Working Condition

在特殊环境、复杂工况下的超高层建筑屋顶钢桅杆吊装技术

Technology Applications of Lifting Derrick with Method of Doublemast and Semi-overturned

双桅杆半翻转法吊装井架的技术应用

Installing Roof Antenna Mast of High-rise Building by Upside-down Lifting Method

倒装吊升法安装高层建筑屋顶天线桅杆

Study of Hoisted Mechanics Model and CAD Application Based on Derrick;

基于桅杆结构的吊装力学模型研究及CAD应用

having or furnished with a mast; often used in combination.

有桅杆的，用桅杆装备的，常用于组合体。

Installation and mounting: Ceiling installation or supended to ceiling with chain or line.

安装方式：吊装式或吸顶式，吊杆，吊链。

Hoisting Technique Used in Changing Inner Barrel of a Blare Stack Supported with Tower Mast

塔桅式烟囱内筒体更换吊装施工技术

derricking gear

吊货杆跨度变换装置

truck mounted placing boom

装在汽车的灌筑吊杆

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

A sailing ship with from three to five masts of which only the foremast is square-rigged, the others being fore-and-aft rigged.

三桅船有三至五个桅杆且只有前部桅杆有横帆装置其余均有纵帆装置的帆船

The forward mast on a sailing vessel.

前桅帆船前部的桅杆

The principal mast of a vessel.

主桅船舶的主要桅杆

To remove(a mast) from a step.

从桅座上取下（桅杆）

The lowest sail on a mast of a square-rigged ship.

大横帆带有横帆装置的船桅杆的最低的帆

double whip system

分钩装卸法(一根吊货杆将货由岸吊到甲板

Discussion on Construction Method of Vertical Metal Storage Tank--Upside-down Method by Chain-type Electric Hoists on Each Masts Around

浅述立式金属储罐施工技术——群桅链式电动葫芦起吊倒装法