单词	胶卷轴
释义	胶卷轴 film spoolbobbin
随便看	two-level roundabout two-level roundabout junction two-level rule two levels Two-level scheduling two-level scheme two-level second-level address two-level servers two-level signal two levels of curves two levels of detail two levels of hospitals Two Levels on Moral Obligation two-level spin system two levels pressurize two-level stereo matching two level storage two-level storage two-level store two level stripe two level structure two-level structure two level subroutine two-level subroutine two-level supply chain