所以他们着手发明了立轴横杆式擒纵机构。

So they proceeded to invent the verge-and-foliot escapement.

youdao

于是他们利用希腊早就使用的重锤着手发明了立轴横杆式擒纵机构。

And so they proceeded to invent the verge-and-foliot escapement, using a falling weight as with its Greek antecedents.

youdao

在百叶窗背后的上横杆正下方带有松开固定装置的卷轴式百叶窗不包括在本次召回中。

Roll-up blinds that have release clips right below the head rail on the backside of the blind are not included in this recall.

youdao

在百叶窗背后的上横杆正下方带有松开固定装置的卷轴式百叶窗不包括在本次召回中。

Roll-up blinds that have release clips right below the head rail on the backside of the blind are not included in this recall.

youdao