在阀门处于压力负载下，不需要拆卸轴环衬套。
每个口袋与返回式皮带系统？环衬的片面载体允许后备皮带系统？袋附件。
Each pocket is lined with the Back-Up Belt System? Loop-sided carrier which allows the attachment of Back-Up Belt System? Pouches.
这套装束被看作是海边的装束。收紧的上裙由一个铁环衬裙支撑，让这个装束的后背部分非常有特点。
This dress is described as a 'seaside costume'. A gathered 'overskirt' supported on a 'crinolette' makes the back the most important feature.
分别对书籍设计艺术的主要组成部分封面设计、书脊设计、封底设计、勒口设计、环衬设计、扉页设计以及版式设计进行论述；
It discusses the primary constituents, cover design, spine of a book design, back cover design, head page design and format design and so on.
分别对书籍设计艺术的主要组成部分封面设计、书脊设计、封底设计、勒口设计、环衬设计、扉页设计以及版式设计进行论述；
It discusses the primary constituents, cover design, spine of a book design, back cover design, head page design and format design and so on.
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