我其实已经很焦虑了，因为长期处于痛苦不堪的日子里，我的躯体僵硬如木，但痛觉神经却高度紧张，然而令人惊奇的是，我只感觉到了针刀的一点点痛。

I was already anxious because I had been in chronic pain for days, my body was stiff and my pain receptors were on high alert, but surprisingly, I felt little pain from the needles.

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本文研究了针、阔叶木未打浆纤维的粗度、长度及其长度分布特性对成纸性能的影响。

This study dealt with the effects of fiber length, coarseness and length distribution on the properties of paper produced from unbeaten HW & SW pulp.

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同时，公司还销售各种优质雕刻板材、金属托座、扣针、粘结剂、木托、可雕刻礼品、机器配件、磨刀机和各类刀具等等。

At the same time, our company also sells various excellent engraving materials, metal supports, pins, Gravofix, wooden splints, engravable gifts, accessories, grinding machines and cutters.

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