1.
Charaterization of Alginate Lyase from Chlorostoma Rustica and the Study of Bio-chemical Activity of Alginate Oligosaccharides;
锈凹螺褐藻胶裂解酶的酶学特性及褐藻胶寡糖的活性研究
2.
stainless steel heavy hex nuts
不锈钢六角重型螺帽
3.
stainless steel nylon insert lock nuts
不锈钢尼龙嵌入螺帽
4.
Failure Analysis on Bulging Die of Stainless Steel Elbow with Solid Medium
不锈钢弯头软模胀形凹模的失效分析
5.
" Mechanical properties of fasteners--Stainless steel bolts,screws, studs and nuts"
"GB/T3098.6-1986紧固件机械性能不锈钢螺栓,螺钉,螺柱和螺母"
6.
Top view of fluted socket head set screw. Selection box represents thread diameter.
凹槽插口螺钉的俯视图。选择框代表螺纹直径。
7.
Cross recessed hexagon head tapping screws with indentation
GB/T9456-1988十字槽凹穴六角自攻螺钉
8.
Hexagon socket set screws with cup point
GB/T80-1985内六角凹端紧定螺钉
9.
Slotted set screws with cup point
GB/T74-1985开槽凹端紧定螺钉
10.
Square set screws with cup point
GB/T84-1988方头凹端紧定螺钉
11.
the cutting of spiral grooves on the inside of the barrel of a firearm.
在枪炮管内侧切凿出螺旋形的凹槽。
12.
Cross recessed hexagon bolts with indentation
GB/T29.2-1988十字槽凹穴六角头螺栓
13.
twisted flutings
呈螺旋状环绕柱身的柱面凹槽饰纹
14.
a bit or drill having deep helical grooves.
有深螺旋状凹槽的一种钻头或钻井。
15.
stainless steel flange nylon insert lock nuts
不锈钢六角轮缘尼龙螺帽
16.
The screw was rusty and wouldn't come out of the wall.
墙上的螺丝钉生锈了，怎么也拔不出来。
17.
All the fastening pieces are adopted the stainless steel screw.
所有的紧固件都采用不锈钢螺钉。
18.
Research on Thin-wall Spiral Weld Stainless Steel Pipe Manufacturing Technology
薄壁螺旋缝不锈钢焊管制造技术研究