“联动”的英语可以翻译为：linkage ...

弱膜片的运动通过联动机构传递给指示刻度盘.The motion of the slack diaphragm is transmitted through a mechanical linkage to an indicating scale.制动器也可由与制动踏板和手制动器杆相连的机械联动装置操纵.The brakes may also be operated by mechanical linkages from the foot ...