短語詞組短語breaker bottom 開荒犁體;破土犁體sod breaker bottom 草地破土犁體breaker bottom detail 破土犁體blackland middle breaker bottom 重粘土雙壁開溝犁體breaker bottom plow 新墾板犁sod breaker bottom detail 草地破土犁體prairie breaker bottom 草原破土犁體 返回 bottom breaker