1.
A STUDY ON THE EFFECT OF THE SHELTER-FOREST COMMUNITY ON THE OF SANDS OF THE MIDDLE AND LOWER REACHES OF YANGTZE RIVER ON THE DISTRIBUTION OF ONUCOMELANIA HUPENSIS
长江中下游江滩防洪林对钉螺分布密度影响
2.
Medium density fiberboard-Determination of screw holding capability
GB/T11718.9-1989中密度纤维板握螺钉力的测定
3.
spiral part of a screw
（螺钉的）螺旋部分.
4.
Studies on the Relationship between Vegetation and Oncomelania Snail Distribution in Poyang Lake Region;
鄱阳湖区植被与钉螺分布关系的研究
5.
Relationship between distribution of Oncomelania snails and normalized difference vegetation index in hilly and mountainous areas
山丘地区植被指数与钉螺分布的关系
6.
Preliminary observation of imported Oncomelania hupensis distribution and diffusion regularity in areas without snails
非螺区输入钉螺分布及扩散规律的初步观察
7.
The Relationship between Patterns of Spatial Distribution of Oncomelania and Layout of Oncomelania-controlling Forest in Purple Shallow Hilly Areas of Sichuan
四川紫色浅丘区钉螺分布空间分布格局与抑螺林布局的关系
8.
Patterns of Oncomelania Distribution and Relationship with Environmental Factors in the Hilly and Mountainous Area in Sichuan
四川紫色浅丘区钉螺分布特征与抑螺防病林布局
9.
Dynamic study of the distribution of the Oncomelania hupensis in Dongting Lake Area,Hunan Province
湖南省洞庭湖区钉螺分布状态的动态分析
10.
density profile,pressure profile
密度分布图,压力分布图
11.
Oncomelania Distribution Characteristic and Relationship with Environment Factors in the Hilly and Mountains District;
山丘区钉螺分布特征及其与环境因子的关系
12.
The distribution of Porphyromonas gingivalis and Treponema denticola in different depth of periondontal pockets
牙龈卟啉菌和牙垢密螺旋体在不同深度牙周袋内的分布
13.
Clinical study of influence of bone mineral density on effectiven ess of transpedicular screw system
骨密度对椎弓根螺钉系统内固定影响的临床研究
14.
Countersunk flat head screws--Part 2: Penetration depth of cross recesses
GB/T5279.2-1997沉头螺钉第2部分:十字槽插入深度
15.
Connect Screw's Strength Analysis of Electric Submersible Pump Unit in Curved Hole
弯曲井眼内潜油电泵机组连接螺钉强度分析
16.
Research on Length, Number, Shape and Distribution of Sports Shoe Nails;
鞋钉的长度、数量、形状及分布的研究
17.
Fracture Analysis of 30CrMnSiNi2A Steel Screw
30CrMnSiNi2A钢螺钉断裂分析
18.
The clinched part of a nail, bolt, or rivet.
敲弯部分钉子、螺丝钉或铆钉的敲弯部分