After an analysis of the 3D stress field on a Model CD350 drill pipe elevator, the stress intensity factors(SIFs) of the surface corner crack with different depths and shapes on the critical section are worked out by the finite element displacement method, and the pattern of variation of SIFs along the front of the crack is presented.
对CD350钻杆吊卡三维应力场进行了分析,进而采用有限元位移法求解危险截面处不同深度和不同形状表面角裂纹的应力强度因子。
OPTIMIZATION OF LIFTING-POINT POSITION IN DOUBLE-HOIST THREE-POINT LIFTING OF REINFORCED CONCRETE LONG PICKET (POST)
钢筋混凝土长桩(柱)双机三点吊吊点位置优化
Research of Influence on Optimum Lifting-point of Concrete Post Due to Bending Vertically and Horizontally
纵横弯曲对混凝土柱最优吊点位置影响的研究
Research on Layout of Hoisting and Temporary Support in the Construction Process of Long-span Space Structures;
大跨度空间结构建造过程中吊点和支撑位置合理性研究
Position and center the sling under and forward of the rear bumper.
在后保险杆前下定位并且设置方吊环。
situated in a particular spot or position.
位于特定的地点或位置。
Three-position switch (120 deg. step). Contact positions can be specified.
位置开关(120 度间距)。可指定触点位置。
Currency symbol position:~~Tap the currency symbol position.
货币符号位置:~~点击货币符号的位置。
An elevated place or position.
高处升高的地点或位置
station and stopping location
停车站和停车点的位置
dead point of linkage mechanism
连杆机构的死点位置
Three marks at two ten.
有3架在2点10分位置
The position of upper eyelid margin in suspension of forehead muscle for blepharoptosis
上睑下垂额肌瓣悬吊术中上睑缘位置控制法探讨
When suspending the unit from the ceiling, the dimples in casting indicate the suitable locations of screws for mounting metal support straps.
从天花板悬吊时,铸造时的凹痕指示安装金属支架螺丝的合适位置。
Objective To investigate the relationship between upper eyelid margin position in suspension and the clinical effect.
目的 探讨上睑下垂额肌瓣悬吊术中上睑缘位置与手术效果的关系。
a band that goes over the shoulder and supports a garment or bag.
通常有扣,挂在肩上用以吊住衣服或使衣服位置固定的带子。
Construction of Fatigue Loading Spectrum on Grid Structure with Bolt-sphere Joints under Suspended Crane Loading;
螺栓球节点网架设置悬挂吊车疲劳载荷谱的编制
A point on a map marking a precise location or target.
精确位置地图上的点,作为精确位置或定点目标
Clinical Study of Anal Cushion High Suspensed and External Hemorrhoid Restorated for the Treatment to Ring-ship Mixted Hemorrhoid;
肛垫多点高位悬吊并外痔修复术治疗环状混合痔的临床研究
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