Subsequently, molten (L1) is introduced to the inner circumferential wall side of the outer tubular body (14) while sustaining rotation of the tubular die (22) thus forming an inner tubular body (12).
随后，在筒状模具(22)持续旋转的同时，将熔体(L1)引到所述外筒状体(14)的内周壁侧，从而形成内筒状体(12)。
The authors analyse the existent matters for side wall skin of large & middle coach, and briefly introduce the improvement measures of the appearance quality of the outer panel skin of Yaxing coach.
分析大中型客车侧围蒙皮存在的问题，简要介绍亚星公路客车侧围蒙皮外观质量的改进措施。
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