Chinese ancient copper COINS have a square hole inside a circle.
中国古代铜钱的形状是外圆内方的。
Represented here is one of the last square hole cash issues, marking an end to the over two thousand year tradition of using the square hole cash design.
这枚最后的方孔钱，标示著使用了两千年之久的方孔制钱设计的终结。
The clamping chucks (round hole, square hole and hexagon hole) conform to DIN 6343 standard, changed quickly.
加紧夹头(圆孔、四方孔、六方孔)符合DIN 6343标准，更换方便。
So Oz brought a pair of tinsmith's shears and cut a small, square hole in the left side of the Tin Woodman's breast.
于是，奥芝拿来了一把马口铁匠有的大剪刀，在铁皮人胸脯的左边，剪开了一个小的方洞。
The invention relates to a square hole-shaped grooving diversion type structured packing which can intensify the turbulent motion of a liquid film.
本发明涉及一种能够强化液膜湍动的方孔型开槽导流式规整填料。
The electrostatic screen for a transformer comprises an insulated ring on which a square hole is arranged. A leading wire passes through the square hole.
该变压器静电屏，包括绝缘圈，绝缘圈上有方孔，有引线从方孔中穿过。
The free vibration of orthotropic clamped square plates with a circular or square hole is studied with the help of the program using the high-precision triangular plate bending element.
用高精度三角形板单元有限元程序研究多种正交各向异性材料开圆孔或开方扎夹支方板的自由振动。
The free vibration of orthotropic clamped square plates with a circular or square hole is studied with the help of the program using the high-precision triangular plate bending element.
用高精度三角形板单元有限元程序研究多种正交各向异性材料开圆孔或开方扎夹支方板的自由振动。
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