The initial award is for five systems, with additional quantities in the out years.

最初的订单包括了5套系统，此后将会追加一定的数量。

As regards additional quantities, we are working and will let you offer sometime next week.

关于附加的数量，我们正在计算并将于下周告知贵方。

The scope can be enlarged by the use of pre-formed ceramic cores at additional cost, only economical for large quantities.

用陶瓷型芯可铸造出更深的孔，但会额外增加费用，只适宜于大批量生产。

Large quantities of insulated copper wire are installed and connected to the two circuit boards, whereas additional wires lead to an external electricity supply.

大量的绝缘铜线连接起两块电路板，而额外安装的导线为作品供应电力。