本实用新型属于行列制瓶机闷头汽缸组件机领域，具体涉及一种行列机汽缸 上盖。
The utility model belongs to the field of a paratactic bottle-making machine bulkhead cylinder module machine and relates particularly to a paratactic machine cylinder top head.
在4月11日，波音747罐车和来自美国的三架直升飞机一起加入到了正在救火的9架直升机行列中。
On April 11, a Boeing 747 tanker and three helicopters from the United States joined nine helicopters in fighting the fires.
公司生产的螺杆式空气压缩机已跨入了世界先进水平的行列。
Company's screw-type air compressor has entered the ranks of the world's advanced level.
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