Articles of heading no.84.12 constructed to work without an escapement .
税目84.12的物品，不需擒纵器可以工作的。
Their innovation was the double escapement and repetition action for the grand pianoforte .
他们的创新是为三角钢琴制造双重擒纵机构和重复机械装置。
Thomas mudge invents the english lever escapement .
1759年：托马斯冀发现英语杠杆擒纵。
Just as the ticking of a watch arises from the escapement mechanism connected to the gears and hands oscillations within the cavity are recorded electronically .
就如擒纵机构和齿轮、指针之间的接触使得手表发出滴答声一样，腔体内的振荡是电子化记录的。
The watch blends the movement and dial for impressively legible dial that turns the balance wheel and escapement , including agear train into the minute hand .
