The English understand by marine risks?only risks incident to transport by sea, such as pene, pen e tra tion of sea water into the holds of the ships, etc.
榴——英国人对“海洋运输货物险”只理解为海运中的意外风险，诸如船舶碰撞、搁浅、起火、海水侵入船舱等。
The formulea for penetrating depthes of irregular cracks were derived from the principle of pene-rant inspection and the formulea for the penetrating depthes of regular cracks.
从渗透检测原理和规则裂纹渗透深度公式入手。推导出不规则裂纹渗透深度的公式。
The formulea for penetrating depthes of irregular cracks were derived from the principle of pene-rant inspection and the formulea for the penetrating depthes of regular cracks.
从渗透检测原理和规则裂纹渗透深度公式入手。推导出不规则裂纹渗透深度的公式。
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