Only valves such as packless diaphragm or bellows type should be used.
只能使用无衬垫膈膜阀或波纹管阀。
声喊叫；声发
的美国作家)Only valves such as packless diaphragm or bellows type should be used.
只能使用无衬垫膈膜阀或波纹管阀。
We could hear he was bellowing commands to his troops.
我
他正向他的兵士声发布命令。
The wounded tiger bellowed out.
受伤的老虎咆哮着。
Two or more folds parallel to each other with adjacent folds in opposite directions, resembling the bellows of an accordion. Alternative term: fanfold.
两个(以上)的平行摺以不同边方式连接，类似手风琴的腔。
声明：以上例句、词性分类均由互联网资源自动成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我
指正。
