1.
A NEW SPECIES OF THE GENUS DIORYX BENSON FROM CHINA (PROSOBRANCHIA,MESOGASTROPODA,CYCLOPHORIDAE)
贵州沟螺属一新种记述(前鳃亚纲,中腹足目,环口螺科)
2.
Research on Upright Helix Furrowing Opener and Characteristics of Ditching Machine;
立式螺旋开沟器及开沟机整机特性研究
3.
buried channel mos
埋沟金属氧化物半导体
4.
A small block of metal or wood with a central, threaded hole that is designed to fit around and secure a bolt or screw.
螺母，螺帽中部有螺纹用于与螺栓或螺钉相配合的小块金属或木头
5.
drill ,twist, interchangeable, of base metal
可互换螺纹钻,贱金属制
6.
all-metal prevailing torque type nuts
金属预置扭矩式螺帽
7.
bolt of copper [for metal]
铜制螺栓,用于金属物
8.
drill ,spiral, interchangeable, of base metal
可互换螺旋钻,贱金属制
9.
d non-ferrous screw and nut
黑色及有色金属螺钉和螺母
10.
The nut moves quite slowly along the thread in the metal.
螺母沿金属螺纹移动得相当慢。
11.
" Mechanical properties of fasteners--Bolts, screws, studs and nuts made of non-ferrous metals"
GB/T3098.10-1993紧固件机械性能有色金属制造的螺栓、螺钉、螺柱和螺母
12.
type genus of the physidae; freshwater air-breathing snails.
膀胱螺科的模式属；属淡水空气呼吸的螺的一个属。
13.
The valve cover shall be held in place through the use of a single grooved style two-bolt coupling.
阀盖应该通过单个沟槽状双螺栓联结器固定住。
14.
Reasonable grinding angle which can quickly lead in screw groove and reduce resistance.
合理的磨制角度，能快速导入螺旋沟槽，减少阻力。
15.
Isotopic Tracing of the Glacial Flows in Hailuo, Gongga Mountain;
贡嘎山海螺沟冰川径流的同位素示踪研究
16.
Design on Spiral Orchard Ditching Equipments and Test in the Soil Bin
螺旋式果园开沟装置的设计及土槽试验
17.
Sedimentary Characteristics and Subglacial Processes of the Glacial Deposits in Hailuogou Glacier,Gongga Mountain
贡嘎山海螺沟冰川沉积特征与冰下过程研究
18.
Changes in Hailuogou Glacier during the Recent 100 Years under Global Warming
全球变暖背景下海螺沟冰川近百年的变化