17世纪，小型的组铃进入了家庭：在带音乐的钟里有一排铃，由一个乐曲编码滚筒来演奏，就象钟塔里的组铃一样。
In the 17th century scaled-down carillons are introduced into the drawing-room: the musical clock contains a row of bells which are played by a pro grammed cylinder just like the tower carillon.
指出在头部滚筒作为驱动滚筒的布置系统中，胶带最大应变、力及张力位置不在驱动滚筒相遇点，而在过渡段第一组槽形托辊处。
It points out that the position of the maximum strain, stress and tension is at first group trough type roller, not at passing poion of pulley if the head drum works as pulley.
在现有卷尺回卷的性能基础上，在塑胶外壳内连接一组可分左右线圈的链条滚筒。
On the basis of the unreeling performance of the existing band tapes, a group of chain cylinders which can separate left coils from right coils are connected to a plastic outer shell.
以灌胃生理盐水对照组、灌胃酯类溶液组和灌胃醛类溶液组为实验组，采用翻正实验方法、滚筒实验方法观察小鼠行为学的变化。
Take normal saline as control group and the higher alcohol and the ester as the test team by roller testing and turn over testing.
滚筒输送线常用于各类组立线及物流成品包装系统、结构简单，使用方便！
Roller-type Transportation Line in common use of diversified suite erection line and finished product packing system, simple configuration and convenient use.
滚筒输送线常用于各类组立线及物流成品包装系统、结构简单，使用方便！
Roller-type Transportation Line in common use of diversified suite erection line and finished product packing system, simple configuration and convenient use.
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