helixor

In view of the lack of crude oil as the substrate liquid fuel and the strict environment protecting request,on the basis of the research on the analysis of present CNG application situation and its technical bottleneck,the study and manufacture work for the mobile altogether power CNG gas filling unit is proposed to accelerate,also the technical characters for these equipment put forward.

针对以原油为基体的液体燃料日益紧张和对环保要求不断提高的现实,在分析研究目前使用CNG的现况和存在的技术瓶颈的基础上,提出了加快研究、建造移动式共动力CNG充气装置的必要性和装置应该满足的技术特性与要求,并对建造与使用移动式共动力CNG充气装置的社会效益与经济效益进行了分析。

After many experiments it is found that air charging system is important between inductionhardening and tempering.

经过反复试验,发现在淬火处理和回火处理之间设一个充气装置至关重要,它不仅加快了冷却速度,而且能破坏淬火加热时在钢筋表面形成的氧化铁皮。

screw-operated jack.

螺旋装置操纵的起重器。

Napier's differential screw steering gear

内皮尔差动螺旋舵装置

differential screw steering gear

差动螺旋式操舵装置

helical type hydraulic steering gear

螺旋式液压操舵装置

built in controllable pitch propeller unit system

内装式可调螺距螺旋桨装置系统

controllable pitch propeller transmission

可调螺距螺旋桨传动pitch propeller unit可调螺距螺旋桨装置

propeller governor drive

螺旋桨节距调节器传动装置

adjustable screw type steering gear

可调整式螺旋型转向装置

Study on the automatic cutting device for ship propeller entanglement

船舶螺旋桨缠绕物自动切割装置研究

Manufacturing and Forming Technology of the Blade of a Screw Conveyer

螺旋输送装置叶片的制造及成形工艺

On the Improvement of the Emergency System for the CPP of a Vessel

某船可调螺距螺旋桨推进装置应急系统改进

Study on Horizontal Spiral Device for Aerobic Dynamic Composting;

卧式螺旋式污泥好氧动态堆肥装置试验研究

Application of Podded Electric Propulsor and Research on the Propeller Design;

吊舱电力推进装置及其螺旋桨设计研究

The Development of the Control System of the Intensity Modulated Spiral-Multi-Tomotherapy Equipment;

多层螺旋调强放疗装置控制系统的研制

Research of the Anti-blocking Equipment with Two-way Helix Reamer for a Wheat No-tillage Drill

小麦免耕播种机双向螺旋刀防堵装置的研究

EXPERIMENTAL INVESTIGATION OF A HORIZONTAL AXIAL TIDAL CURRENT ENERGY CONVERSION SYSTEM

水平轴螺旋桨式潮流能发电装置的试验研究

Application of spiral plate heat exchanger in visbreaker and FCC unit

螺旋板式换热器在减黏裂化和FCC装置上的应用

Development of Conical Spiral Groove Aerodynamic Bearings Experimental System

圆锥螺旋槽气体动压轴承实验台装置研制