The mould press prebending adopts involutes types mould and simultaneously fold bending the two edges of plate by steps.

模压式预弯采用渐开线式模具，分步对钢板的两边同时进行折弯。

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The purpose of prebending process of longitudinal submerged arc welding pipe production line is introduced; character of roller prebending and mould press type prebending is analyzed.

简要介绍了直缝埋弧焊钢管生产线预弯工序的重要性、预弯的功能以及预弯工艺过程。

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Imported original axis flow fans, 316l stainless material mould press shaped drying box, real never rust steel from Japan which guaranteeing the running characteristic of whole machine.

日本进口原装轴流风机，316 L不锈钢材料模具压形的烘干箱，真正永不生锈，保证了整机的运转性能。

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When police from Scotland raided the house in a joint operation with Merseyside Police, they found a press, a mould with plates, scales and a 25 kilogram drum of bulking agent.

BBC: Four major drug dealers jailed after police raids