钻柄

The cutting part of a drill usually pointed and threaded and is replaceable in a brace or bitstock or .

钻机的切割；通常是尖头的有螺旋状图案并且可以更换，用在钻柱钻柄或钻床上。

The part of a drill usually pointed and threaded and is replaceable in a brace or bitstock or drill .

钻机的切割部分；通常是尖头的有螺旋状图案并且可以更换，用在钻柱钻柄或钻床上。

A pointed and threaded tool for and boring that is secured in a brace , bitstock , or .

钻头曲柄，钻柄或钻床之上用于钻孔的尖头工具来源：词友

The cutting part of a drill usually pointed and threaded and is replaceable in a brace or bitstock or drill press .

的切割部分；通常是尖头的有状图案并且可以更换，用在钻柱钻柄或钻床上。

A and threaded for drilling and boring that is secured in a brace , bitstock , or drill press .

钻头曲柄，钻柄或钻床之上用于钻孔的尖头来源：词友

Pointed and threaded tool for and boring that is secured in brace , bitstock , or press .

钻头曲柄，钻柄或钻床之上用于钻孔的尖头工具来源：词友

"A pointed and threaded tool for drilling and boring that is secured in a brace , bitstock, or drill press."

曲柄、钻柄或钻床之上用于钻孔的尖头工具。

"A pointed and threaded tool for drill ing and boring that is secured in a brace, bitstock, or drill press."

曲柄、钻柄或钻床之上用于钻孔的尖头工具。

A pointed and threaded tool for and boring that is secured in a brace , bitstock , or press .

钻头曲柄，钻柄或钻床之上用于钻孔的尖头工具来源：词友

A handle used to secure and turn a drilling or boring bit; a brace.

钻柄用于稳固和转动钻子的柄；手摇曲柄

Objective: To study the effect of polycythemia on blood oxygen saturation.

裴蕾目的：观察RBC剧增而引起的高粘血症对血氧饱和度的影响。

Based on SIMPLER algorithm in the curvilinear body-fitted coordinates, the calculations were performed for Pr=0.7, Re=10~1000 on non-orthogonal non-staggered grids which are generated by elliptic equation systems.

采用曲线坐标系下压力与速度耦合的SIMPLER算法，数值研究了周期性渐扩渐缩波纹通道内脉动流动与换热情况，流动Re数的范围为10~1000，Pr数为0.7。