circular hole

短语词组

短语

• circular r hole diffraction 圆孔衍射;囿孔衍射
• circular ring hole 圆环孔
• Circular mounting hole 圆形安装孔
• circular -hole castellated beam 圆孔蜂窝梁
• nanometer circular hole 纳米圆孔
• spherical circular hole 球面圆孔
• plate with circular hole 含圆孔板
• plain circular hole 平圆孔
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