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1·On an inner sleeve, a gravity ball blocking seat (24) are arranged.

内套上有重力弹丸塞座（24）。

2·The outer sleeve is aluminum, inner sleeve is hot-dip galvanized seel.

外管为铝制件，内管为热镀锌钢制件。

3·The outer sleeve is aluminium, the inner sleeve is hot-dip galvanized seel.

外管为铝制件、内管为热镀锌钢制件。

4·The inner sleeve is hot-dip galvanized steel, the outer sleeve and lining sleeves are aluminium.

内接续管为热镀钢制件，外续管口及两端衬管为铝制件。

5·The outer sleeve is attached to the inner sleeve by being deflected around annular ridge at one end of the inner sleeve.

套装在第一个套管内的第二个套管，在第一个套管和第二个套管之间留出一段环形空间，用以容纳管子的端头；

6·Outer shell includes first and second shell side walls attached to a shell bottom wall and covering first and second open ends of inner sleeve.

外壳包括第一和第二壳壳底部连接到墙上，涵盖内套完第一和第二次公开墙。

7·A box includes an outer shell surrounding an inner sleeve having spaced apart first and second sleeve side walls attached to a sleeve bottom wall.

一个盒子包括一个外壳内套筒周围有一间隔开第一和第二袖袖端连接到底壁墙。

8·During solidification of hollow ingot, its solidification and quality are seriously affected by the heat transfer boundary conditions between inner sleeve of core and cooling medium.

在空心钢锭凝固过程中，芯子内套筒与冷却介质之间的换热条件对空心钢锭的凝固过程及质量有着重要的影响。

9·The health massage crutch adopts combination of a multi-section main pipe, an inner sleeve and an outer sleeve as a stay bar to achieve the aims of convenient detachment and portability.

本发明采用多节主管和内外套管的组合作为撑杆，实现方 便拆接，便于携带的目的。

10·The main factors affecting the process tolerance of inner splined sleeve are heat treatment, cutting process, and the arrangement of final machining process etc.

影响内花键套制造精度的主要因素是热处理工艺、加工工艺及制造工艺顺序等。