beam hole

常見例句

He worked in a darkened room and obtained the beam through a hole in the shutter.
他在黑暗屋子里做實驗，從百葉窗的一個小孔處得到了光束。
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Bending behaviors of single crystalline nano-copper cantilever beam models with hole are simulated by MD using embedded atom potential.
應用分子動力學方法模擬了帶孔納米單晶銅懸臂梁的彎曲過程。
This paper give two reinforcement methods of the circular hole castellated beam-castellated beam with full-web extremity and castellated beam reinforced by transverse stiffeners.
提出了兩種蜂窩梁的補強方法——端部實腹蜂窩梁和孔邊設置橫向加勁肋。