Test method for impact resistance of pipeline coatings ( lime - stone drop test )

管道防腐层需冲击性试验方法 ( 石灰石落下法 )

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Do Carton Drop Test for every shipment.

每次出货都要做摔箱测试.

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The characteristics of major shock and secondary shocks in drop - test are described in this paper.

本文阐述了在跌落冲击试验时主冲击与次冲击的特点.

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For drop test, please advise the material of the base the helicopter dropped on.

为跌落试验, 请提供基础材料,这架直升机上投掷.

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