³»ºÎ¸¶Âû°¢(ҮݻؤóÍÊÇ) angle of internal friction
³»ºÎÁøµ¿±â(ҮݻòÉÔÑѦ) internal vibrator
³»ºÎÆÄ(Үݻ÷î) internal wave
³»¼ö Ү⩠Internal waters
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³»¼ö¸é¾î¾÷ Ò®â©ØüåÛåö Inland fishery
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³»½ÀÆÄ(ÕÎã©÷î) ¨ç incoming waves ¨è attacking waves