TESTING STUDY ON A NEW KIND OF FULLY-ANCHORED AND MULTI-WEDGED SLOTTED TUBE BOLT (BAMBOO-LIKE BOLT) RESEARCHED IN LABORATORY是什么意思_TESTING STUDY ON A NEW KIND OF FULLY-ANCHORED AND MULTI-WEDGED SLOTTED TUBE BOLT (BAMBOO-LIKE BOLT) RESEARCHED IN LABORATORY在线翻译_英语_读音_用法_例句