Matches any white space character including space, tab, form - feed, and so on.
匹配任何空白字元，包括空格、制表符、换页符等。
youdao
The space adjustment between the feed rollers adopt self-locking structure.
送纸辊间隙调整采用自锁结构。
应用推荐
模块上移
模块下移
不移动