“孔方兄”代指的就是“钱”，孔方者，外圆内方、有理有节、不卑不亢，绵里藏针是也。
钻孔方位层 Drill Guide
钻孔方法 system of drilling
坑道钻孔方向计 monstrometer
钻孔方向 Drilling direction ; boring direction
布孔方式 Drillhole layout ; design of holes arrangement ; pattern
微分网孔方程 [数] differential mesh equation
钻孔方位角 azimuthal angle of hole
琢孔方石 [建] prison ashlar
北方孔雀鲷 Aulonocara aquilonium ; aquilonium
船尾那里有一个方孔，大小只够我父亲膝盖顶着下巴挤进去。
There was a square hole just large enough for my father to fit into if he pulled his knees up to his chest.
双线圈装用连续的双圈铁丝绕穿过打在书本订口的方孔而成的一种活页装。
Wire-o binding a method of loose-leaf binding in which a continuous double loop of wire runs through punched slots along the binding side of a booklet.
方形兜孔钢保持架因为钢架硬度高、拉削难度大等特点，始终采用线切割加工方兜孔。
The working for square pockets of turning steel cages having high hardness and difficult to broach is conducted in linear cutting.
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