全部

1·And he would be a once-returner, a non-returner, or at the very least a stream-winner.

他可以成为一还者、不还者、或者至少成为入流者。

2·Smith was primarily used as a punt returner with the Bills, averaging 13.2 yards. He also returned one punt for a touchdown.

史密斯在布法罗比尔主要担任弃踢回攻手，平均每次弃踢回攻13.2码，并有一次弃踢回攻达阵。

3·High strength in medium temperature, stable volume in high temperature, wear-proof, anti-slag corrosion, material returner, coal-saver furnace wall and mixing chamber inner wall etc.

中温强度高，高温体积稳定，耐磨损，抗熔渣侵蚀。返料器、省煤器炉墙、混合室内墙等部位。