Elastification
彈性化
??? 情景例句
By arranging with the public schools
首先， 從公立學校開始
If you take quality into consideration, you will find our price reasonable.
如果您把質量考慮進去的話，您會發現我方價格是合理的。
and we control it by means of the mud which we circulate down the drill pipe.
我們讓泥漿順著鉆桿向下循環，用這種方法來控制壓力。