circular hole

短语词组

短語

• circular r hole diffraction 圓孔衍射;囿孔衍射
• circular ring hole 圓環孔
• Circular mounting hole 圓形安裝孔
• circular -hole castellated beam 圓孔蜂窩梁
• nanometer circular hole 納米圓孔
• spherical circular hole 球麪圓孔
• plate with circular hole 含圓孔板
• plain circular hole 平圓孔
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