Question: To prepare a ten-fold serial dilution, transfer 20 µlliquid into the second row and repeat this procedure until the sixth dilution.

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Answer: Toprepareaten-foldserialdilution,transfer20µlliquidintothesecondrowandrepeatthisprocedureuntilthesixthdilution.


Question: If the thread is too long and not stiff enough, you can spray a little hairspray on it !

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Answer: Ifthethreadistoolongandnotstiffenough,youcansprayalittlehairsprayonit!


Question: 3 months ago 1:12:39 xHamster Japanese wife, Japanese, Asian

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Answer: 3monthsago1:12:39xHamsterJapanesewife,Japanese,Asian


Question: And hot-rolled steel plate, cold-rolled steel plate thickness is more accurate, and the surface is smooth, beautiful, but poor mechanical properties, especially the processing performance.

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Answer:
Andhot-rolledsteelplate,cold-rolledsteelplatethicknessismoreaccurate,andthesurfaceissmooth,beautiful,butpoormechanicalproperties,especiallytheprocessingperformance.