例句與造句

1. Some manufacturers recommends at least 1 / 4 " thichness ( 6.35 mm ) with 500 Brinell value for pistol shooting with common calibres such as 300 Win Mag or . 338 Lapua 120-150 yards ( approx . 110 140 m ) has been suggested.
2. It's difficult to find brinell value in a sentence. 用brinell value造句挺難的