您要查找的是不是：
- rack and pinion gate lifting device 齿条齿轮式启门机
- STUDY ON EXPERT SYSTEM FOR THE SCHEMATIC DESIGN OF A GATE LIFTING DEVICE 闸门启闭机方案设计专家系统研究
- bevel gear gate lifting device 斜齿轮闸门启闭机
- gate lifting device 闸门启闭机
- lever type gate lifting device 杠杆式启门设备
- The lifting device is a system of rope and pulley. 这种起重装置是由缆索和滑轮组成的。
- To open the gate lift up the latch . 要打开大门先把门闩提起来。
- The lifting device is a system of ropes and pulleys. 这种起重装置是由缆索和滑轮组成的.
- The corrosion resistant plate penstock is in the frame of obvious-stem, which mainly consists of lifting device, frame, gate plate, seal, wedge block compressing set, rod and rod joint, rod guide tube, install accessory and etc. 不锈钢闸门为明杆式结构，主要由启闭装置、闸框、闸板、密封件、楔块压紧装置、门杆和杆接头、杆导架、安装附件等组成。
- Reducers, brakes and other lifting devices. 减速器、制动器等起升装置。
- Optional components: lifting device, project strobes, as well as lighting. 选用件：起重作业装置，工程频闪灯，照明灯等均可。
- The spillway and the gate structure optimization schemes, and the design plans for the gate lifting power and the retention ability were put forward respectively. 通过该项研究，提出了泄水道及闸门结构优化方案及闸门启门力、持住力设计等咨询意见，并被工程采纳。
- Lower the lifting device enough to remove the axlThe coil springs will drop with the axle. 降低支撑设备以拆卸车轴。螺旋弹簧随车轴同时拆下。
- Pneumatic feeding paper roller with automatic lifting devices function. 网纹辊配合送纸气压式自动升降装置功能。
- Equivalent adopting API Spec 8A for China petroleum industry standard "Drilling and Production Lifting Device Specification" is the key to the quoted standards in the adopted standard. 等效采用APISpec8A为我国石油天然气行业标准《钻井和采油提升设备规范》;处理好采标标准中的引用标准是关键.
- Stationary waste containers - Part 1: containers with a capacity from 1700 l to 5000 l with flat or dome lid(s), for trunnion, double trunnion or pocket lifting device - Dimensions and design. 固定的废弃物容器.;第1部分:套管、双向套管或袖珍提升装置用带平或圆形罩的1700升-5000升容量的容器
- A man appeared at the castle gate in the guise of a woodcutter. 一个男子打扮成樵夫的模样出现在城堡的门口。
- Wellhead hydraulic lifting device is driven by hydraulic power, which is used for well jam release when blowout accident occurrs during workover treatment. It has the following features. 井口液压举升装置是当油田大修作业发生卡钻时，用于解卡的一种专用设备。该设备由液压动力驱动，操作简单，是目前油田大修解卡最理想的装备。具有以下特点：
- Based on the method of heat system analysis for a geared system, the heat loss and mechanical efficiency in the reduction gear of a gate lifter during the variation of the lubricating oil temperature is predicted. 本文根据齿轮装置的热系统分析方法;对闸门启闭减速机随油温变化的热损失和机械效率进行了预测.
- My muscles are sore from lifting weights. 我的肌肉因为举重而感到酸痛。
