第一主体(8)的端部(2)和第二主体(9)的端部(16)被熔接到第一端盖(6)。
The end (2) of the first body (8) and the end (16) of the second body (9) are fused to a first end cap (6).
第三主体(10)的端部(17)和第一主体(8)的端部(18)被熔接到第二端盖(11)。
The end (17) of the third body (10) and the end (18) of the first body (8) are fused to a second end cap (11).
邻接第一主体部分(24)设置并且具有外围延伸的覆盖物或包裹物(14)。所述外围延伸至少等于气球挠性区域(24)的外围延伸。
The shroud or wrap (14) is positioned adjacent the first body portion (24) and has a peripheral extent at least equal to the peripheral extent of the balloon flexure region (24).
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