英文會話work out和up to speed的意思

Question

這段話是什麼意思呢? 請高手指教一下
A：How have the new fabrication processes been working out?
B：They finally up to speed.

Answer 1

A：How have the new fabrication processes been working out?
B：They finally up to speed.

A：新製造程序進行的如何？
B：終於達到預期可接受的運作水準．

Note：

1） Fabrication (n) 製造，組建

2.）Work out
看看 Dictionary.com的解釋：

to bring about by work, effort, or action.（發展，進行）to solve, as a problem.（解決問題）to arrive at by or as by calculation.to pay (a debt) by working instead of paying money.to exhaust, as a mineto issue in a result.to evolve; elaborate.to amount to (a total or specified figure); add up (to): The total works out to 176.to prove effective or successful: Their marriage just didn't work out.to practice, exercise, or train, esp. in order to become proficient in an athletic sport: The boxers are working out at the gym tonight.
3） Up to speed
看看 Dictionary.com的解釋：

operating at full or optimum speed.（以最佳狀態運作）functioning or producing at an expected, acceptable, or competitive level; up to par: a new firm not yet up to speed.（以預期可接受或具競爭力的水準生產）
Hope it helps～

Answer 2

A：How have the new fabrication processes been working out?
B：They finally up to speed.
A:How 有新製造處理解決?
B:They 最後由速度決定。