n.鐵環(huán)

v.擲圈環(huán)

(復(fù)）quoits: 擲環(huán)套樁游戲.

These oil fields contain many oil quoit and there are on enough oil and gas and there are complicated characteristic. 這些油田具有多層系含油、多種圈閉類型、油氣富集程度不均，油氣水縱向、橫向關(guān)系復(fù)雜的特點(diǎn)。

ring a quoit (投環(huán)游戲)投環(huán)

buoyant rescue quoit 救生索浮圈

rope quoit 吊環(huán)

quoit kwCit, kweit n.；vt. n. 金屬環(huán), 鐵環(huán), 繩圈；