查询词典 pull back

back file：备用文件

back fence 后篱笆 | back file 备用文件 | back fill 后面充填物

back space file：回退文件

back space 退位 | back space file 回退文件 | back span 反向间隔=>後ピッチ

I nailed my double back flip：我把我的两次后空翻搞砸了

You nailed your triple back flip.|你把你的三次后空翻搞... | I nailed my double back flip...|我把我的两次后空翻搞砸了.. | because a triple back flip would've landed me in the water.|因为三个后空翻就会令我...

back focus：象方焦点

back flow condenser 回龄凝器 | back focus 象方焦点 | back mixing 反混, 逆向混合

back focus：镜后焦点

"后焦距","back focal length" | "镜后焦点","back focus" | "螺丝空挡","back lash"

Back gear：背齿轮

back flash 回火 | back gear 背齿轮 | back kick 回火

Back gear：背轮

back freight 回运货物运费(抵港后无法交货 | back gear 背轮 | back ground noise level 背景噪音电平

Back gear：倒挡齿轮

back gear shaft 背齿轮轴 | back gear 倒挡齿轮 | back geared motor 带减速齿轮的电动机

back gear shaft：背齿轮轴

back flap hinge 明铰链 | back gear shaft 背齿轮轴 | back gear 倒挡齿轮

back gear ratio：倒擋轉速比

"倒退齿轮,倒挡齿轮,后列齿轮","back gear" | "倒挡转速比","back gear ratio" | "后导板","back guide"

phenol red：酚红,苯酚磺酞

phenol reagent 酚试剂 | phenol red 酚红,苯酚磺酞 | phenol red test 酚红排泌试验

accessory equipment：附件

accessory equipment 辅助设备 | accessory equipment 附件 | accessory part 附件