Jam occurs, because the material accumulation, open top anti blocking door, with the stroke switch after dump.

发生阻塞时，因为物料堆积，顶开防堵门，同的经过行程开关堵截电源。

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Thin plastic parts fragile and difficult parting, a large plastic parts and corrugated-prone material accumulation.

薄壁塑件易碎，不易脱模，大面积塑件易发生波纹及物料聚积。

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The experiment study regulation of different consideration fe on growth and material accumulation of Dunaliella salina.

实验研究了不同浓度的铁对盐藻细胞生长与物质积累的调控作用。

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Most of his material is second-hand and the accumulation of detail, especially contemporary newspaper accounts, is sometimes exhausting.

ECONOMIST: Ronald Reagan

Amid all of this messy thinking we miss the simple truth behind our material wealth: It has been achieved through the accumulation, by us and inherited from our forefathers, of a stock of highly configured and embedded tools that make human effort more effective and things possible that never were before.

FORBES: The Role of Capital Has Politicians Confused

The third mistake was that, because the workers were allowed to bypass the time-consuming mixing process in the tower, with its automatic controls for preventing such things happening, they were free to dump their material into a vessel that was not designed to prevent the accumulation of a critical mass sufficient to support a chain reaction.

ECONOMIST: All over in a flash