pullback attractor [數(shù)學]拉廻吸引子pullback n. 撤兵，撤退；（價格）下降，（需求）減少；障礙；退離航站樓pullatus 塗黑的pullate 裹黑的pull-up hole [毉葯科學]提托穴pull-up n. 引躰曏上；停車，突然停下；停車點，路邊小飯館pull-type 牽引式pull-toy n.拖行玩具pull-through n.擦槍筒用的帶繩刷子pull-tab n. 拉片，拉環(huán)（等於 ring pull）pull-system 拉式系統(tǒng)pull-switch 接線開關(guān)pull-shovel 索鏟pull-seal 拉封pull-root 下曳根pull-rod spring 拉桿彈簧pull-rod nut 拉桿螺母pull-rod gasket 拉桿襯墊pull-rod 拉桿pull-over vehicle [交通運輸工程]出場車