automatic tool changing造句

automatic tool changing n c machine
自动换刀数控机床
nc reduces the amount of non-chip-producing time by selecting speeds and feeds, making rapid moves between surfaces to be cut, using automatic fixtures, automatic tool changing, controlling the coolant, in-process gauging, and loading and unloading the part
nc（产品简称）通过选择速率，高速转变切割面，自动改变工具，控制冷却剂，减少了这些不必要的非工作时间，工作中划定规格，和装卸降低了这些不必要的非制造时间。
It's difficult to find automatic tool changing in a sentence. 用automatic tool changing造句挺难的