stepladder是什么意思

网络释义

用法例句

In the revamp design of Xishan railway loading jetty of PetroChina Dalian Petrochemical Company, the maximum number of hoses and installation of detachable ladder were studied.

通过大连石化分公司西山铁路装卸车栈桥改造项目的设计,对12 m铁路槽车一个车位最多可布置的鹤管数量和活动梯安装进行了研究。

Fabricating and Property Research of Bioactive Gradient Coatings of HA;

HA生物活性梯度涂层的制备和性能研究

A Study on Preparing Bioactive Graded Ceramic Coating on Titanium Alloy by Electrophoresis Codeposition and Sintering Method;

电泳共沉积—烧结法制备钛合金表面生物活性梯度陶瓷涂层的研究

The Micro- and Gradient Structures of the Living Free Radical Copolymerization Products;

活性自由基共聚产物微结构及梯度结构的研究

Techinics and Properties of FGM Prepared by FAPASHS;

电场激活和压力辅助SHS合成功能梯度材料工艺与性能

Structure and Properties of ZL109 Piston Graded Reinforced with Centrifugal Casting SipC Particles

离心铸造Si_pC颗粒梯度增强ZL109活塞组织与性能研究

Thermoelastic Analysis of a Functionally Graded Annulus With an Arbitrary Gradient

任意梯度分布功能梯度圆环的热弹性分析

Steady-state Thermal Analysis of Functional Gradient Materials as Thermal Barrier Coating of Engine Piston;

梯度热障涂层活塞的稳态热分析研究

The Initial Study of Gradient Bioceramic Coatings Preparated Technique, Physical Property and Chemical Property by Laser Rapid Forming

梯度生物活性涂层材料激光快速成形制备技术及其理化性能初步研究

Fabrication and Characterization of Mg-W Functionally Graded Materials with Density Gradient;

Mg-W密度梯度材料的制备与性能研究

Elasticity Solution of Simply-supported Functionally Graded Beams with Variable Thickness

简支功能梯度变厚度梁的弹性力学解

Distribution pattern of soil labile organic carbon in Tibetan alpine grassland and its correlation with climatic factors

西藏高寒草原生态系统表层土壤活性有机碳梯度分布及其与气候因子的关系

Denature gradient gel electrophoresis of stratal bacteria activation in oilfield under different pressure conditions

不同压力条件下油藏内源细菌群落激活过程中变性梯度凝胶电泳分析

The Vibration Characteristics of Elastic Thin FGM Circular Plate Based on the Functions of Different Gradient Modes;

基于不同梯度模式的功能梯度圆形弹性薄板的振动特性

On Global Convergence of Nonlinear Conjugate Gradient Method;

非线性共轭梯度法的全局收敛性研究

GLOBAL CONVERGENCE OF A NEW NONLINEAR CONJUGATE GRADIENT METHOD

一种新的非线性共轭梯度法及收敛性

Research on the Super-Memory Methods and GLP Gradient Projection Method for Non-Linear Programming;

非线性最优化超记忆梯度算法与GLP梯度投影算法研究

Analysis on the Ladder-like Development in China s Urban Activity Industry;

我国城市大型活动产业空间梯度发展模式探析

Evaluation of life satisfactory degree in young middle school teachers with trapezoidal scale;

应用梯形量表评估初中青年教师的生活满意度