雌性个体在眼径、头高随体长的增长速度显著大于雄性个体。
Female individual's diameter of eye and head height grow at a remarkably greater speed than male individuals.
在扩眼体设一斜水眼，在导眼体与扩眼体之间连接一缩径增效排屑环，强化了冷却清洗作用，从而保证钻头有较好的使用效果。
Set up a slant water hole at reamer, and connect the reamer and pilot with reducing synergy flute, which strengthen the cooling and washing function and ensure the bit's effects.
那是守猎人，他站在狭径中好象巴蓝的驴子，截著眼也的去路。
It was the keeper. he stood in the path like balaams ass, barring her way.
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