半惰性长寿命阳极
semi-inert long life anode
短寿命放射性物质
short lived radioactive substance
短寿命氡子体
Short-Lived~(222)Rn-Daughters
Radon short-lived daughter
涂碳长寿命计数管
Long-lived carbon-coating tubes
金刚石长寿命钻头
long working life diamond drill bit
超长寿命快堆
Ultra long life fast breeding reactor