blind hoistway

Let the center of the global coordinates be chosen at the center of the shaft.

将总坐标的中心选于升降机井的中心处。

hoistway-door combination mechanical lock and electric contact

(升降)机井门机电联锁触点

The miners are lowered into the mine by means of an elevator known as a cage. In the same shaft there is often a hoist, a bucketlike elevator used to raise mined ore from lower levels.

矿工借助于叫作罐笼的升降机下井。井筒里通常还安装有绞车，一种用来提升矿石的斗式升降机。

dig a pit, tunnel, shaft, etc

挖坑、 隧道、 升降井等.

proximity protection device

防夹装置〔升降机〕

audible and visual signal [lift]

视听信号〔升降机〕

Concret was raised by a hoist.

混凝土由升降机提升。

A: A total of four elevators for passengers and another two for loading goods.

共四部客用升降机和两部载货升降机.

lift for passengers or goods (excl. continuous-action lifts)

人员或货物升降机（连续式升降机除外）

hydraulic elevator

液压电梯;液压升降机;水力提升机;水压升降机

The lift grinds in the shaft.

电梯在升降井里嘎嘎响着。

Wellbore dynamic surge pressure while tripping a drill pipe in slim hole drilling

小井眼钻具升降产生的孔内波动压力

Jack-up system on 931 offshore drilling platform

海洋石油931钻井平台升降系统的分析

elevating grader

起土平路机;平土升送机;升降平路机;升降式平路机;升运平路机

To raise or lower(the boom of a crane or derrick.

升降使起重机的吊臂上升或下降

elevator ,finger-tray, for sacks, barrels, bales of straw, sheaves

指状盘架升降机,用于升降袋、桶、草烟

jib adjusting gear

起重机悬臂升降机构

chain, scraper, for elevators or conveyors

升降机或输送机链板