短語(yǔ)詞組短語(yǔ)corrugated -sandwich boom 波紋狀?yuàn)A層梁corrugated core sandwich panel 波紋夾芯板corrugated sandwich boom 波紋狀?yuàn)A層梁corrugated sandwich web 波紋夾層腹板LASer -welded corrugated-CORe metallic sandwich panels 金屬激光焊接夾層板 返回 corrugated sandwich