1.
Space Practice Research on Growing Big-diameter Eucalypt--Eucalyptus Urophyla ×Grandis;
尾巨桉大径材培育——密度技术研究
2.
Studies on Clone Selection and Silviculture Effect for Sawlog of E. Urophylla×E. Grangdis;
尾巨桉中大径材优良无性系选择与栽培措施影响研究
3.
Construction of Valubale Big Diameter Commercial Forest in Areas of Heilongjiang Forest Industry Group;
黑龙江森工林区珍贵大径材商品林基地建设项目研究
4.
Medium-term Research on Cultivation Effect of Density and Fertilizing to Eucalyptus for Large-diameter Timber in Leizhou Peninsula
栽培密度与施肥对雷州半岛桉树大径材培育效果的中期研究
5.
Research on Flexible Online Measurement Technology for External Diameter of Large-diameter Bar
大直径棒材外径在线柔性测量技术研究
6.
Rod: round sections smaller than round bars, up to about 10mm in diameter.
细棒材--横断面为圆形，比圆棒材小，最大直径约l0mm。
7.
Research on Maximal Pore Size of 0Cr18Ni9Ti Metal Rubber Filtering Material
0Cr18Ni9Ti金属橡胶过滤材料最大孔径研究
8.
Influential Rules about the Cooling Pipe′s Diameter on the Cooling Effect of Large-Diameter Bars
冷却器管道直径对大直径棒材冷却效果的影响规律
9.
Roeckner tube rolling mill
罗克内尔式大口径管材壁厚减薄用轧机
10.
The maximum shearing stress to which the material is subjected has a value equal to the radius of the circle.
材料承受的最大应力数值等于圆的半径。
11.
Study on Drying Characteristic of Small-diameter Dahurian Larch and Ussuri Poplar;
小径木落叶松和大青杨锯材干燥特性的研究
12.
Design of Automatic Hardness Tester for Inner Layer in Large Pipe
大口径管内层材料硬度现场自动测量仪设计
13.
Optimum and Comparative Design for Pipe's Material and Diameter in Daheyan Seventh Hydropower Station
大河沿河七级水电站管材、管径优化比选设计
14.
Influential rule of cooling water flow on the cooling effect of big bars
冷却水流量对大直径棒材冷却效果的影响规律
15.
Research on New Manufacturing Process for Large-medium Sized Hi-alloy Steel Seamless Tubes
中大口径高合金钢无缝管材生产新工艺研究
16.
The Compression Behavior of Large Diameter Glass Reinforced Plastic Mortar Pipe for Pipe-Jacking
大口径玻璃钢夹砂顶管管材的抗压性能
17.
Ways to Strengrh the Transportation Management of Wood in Forest Area of Daxinganlin Mountains of Inner Mongolia
加强内蒙古大兴安岭林区木材运输管理的途径
18.
Rules and Process of the GCr15 Bearing Steel′s Through Water Cooling
大直径GCr15轴承钢棒材穿水冷却规律及工艺研究