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1·Entering a new school, rebellious Weika know the same girl pene-Rop, similar personalities make peace between them soon became good friends.

进入新学校后，薇卡认识了同样叛逆的女孩佩内罗普，相似的性格让二人很快成为了好朋友。

2·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。

3·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。