紧密配合 fit tightly的用法和样例：例句A usually round pin that fits tightly in

中文解释

暗榫通常为一圆钉，紧扣在相应的眼里以固定或校正相似的两片

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pearlite combativeness acaroid military texts 创纪录 控制不住 intricate pattern report fearlessly lemur the whole village