这在一个刀片可以延长按键的触摸或收回使这些长距离容易衡量。

At the touch of a button this blade can be extended or retracted making those longer distances easier to measure.

youdao

这在一个刀片可以延长按键的触摸或收回使这些长距离容易衡量。

At the touch of a button this blade can be extended or retracted making those longer distances easier to measure.

youdao