adj.折叠式的
The drawback of a pulldown in TTL is that it wastes power.
在ttl中的下拉的缺点是,浪费能源.
You must enter a selection from the Connect using pulldown list.
您必须使用下拉列表从“连接”输入一个选择.
Suppose a radio button is changed to a pulldown list.
假设一个单选按钮改变为下拉列表.
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