分析了影响气吸式滚筒水稻播种器吸播种性能的因素，研制了气吸式双层滚筒水稻播种器。

The influence factors of the air suction cylinder rice seeder were analyzed on the suction and seed performance in this paper.

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滚筒式双层玻璃洗衣机。

Double glazing, turbo washing machine.

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油缸（5）推 动的方向与挤气滚筒（2）和双层合卷滚筒（1）的轴心连线相平行。

The driving direction of the oil cylinder (5) is parallel to the connecting line of shaft centers of the air extruding roller (2) and the double-layer roll combining roller (1).

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