分类：教育/科学-外语学习
问题：汉译英,谢谢!长管的长度可以按需要定,例如:10米,12米,15 
长管的长度可以按需要定,例如:10米,12米,15米等都可以.如果接开放性头罩,比如,我们的M1,M2,M3头罩,最长只能15米,如果接密合性面具,比如这次给你们的全面具(full ma)样品,最长可以到25米.长管的价格是按长度计算,单价是4USD/米.
回答：长管的长度可以按需要定,例如:10米,12米,15米等都可以.如果接开放性头罩,比如,我们的M1,M2,M3头罩,最长只能15米,如果接密合性面具,比如这次给你们的全面具(full ma)样品,最长可以到25米.长管的价格是按长度计算,单价是4USD/米. The length of the breathing tube can be ordered according tospecific needs, such as 10m, 15m.  If connecting to open headgear, like our M1, M2, M3 headgear, the maximum lengthis 15m. If connecting to closed face masks, such as the sample given to you (full mask), the maximum length is 25m.The breathing tube's price is based on the length of the tube, with a unit price of 4US$/m.