bead cover

基本解释

Tongue (46) arrests the cover at 160 DEG to the nozzle when the user tilts the cover further open and tongue (46) snaps over the bead (32).
当使用者使喷嘴盖进一步倾斜打开和舌状物（46）越过凸珠（32）时，舌状物（46）使喷嘴盖与喷嘴成160度角。
ip.com
This machine equipped with the protection cover for the mounting head, clamps, lever and bead breaker shoe, to avoid the damage for the aluminum alloy rim.
该机配有拆装头保护套、保护垫、夹爪保护套、撬棍棒保护套和各靠胎铲防护套。在拆装铝合金轮辋时不会划伤轮辋。
It contains Jojoba Oil to help soften and condition the lips and a tiny bead of this highly concentrated product is all that's needed to cover the lip area.
其中所含的霍霍巴油有助于使双唇柔软，而此款高浓度产品上的走珠则能完美贴合双唇。