Adjust the needle thread tension properly.

请调节上线张力。

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Feed amount of needle thread can be adjusted to fit in with materials to be sewn. Thus, stitches can always be accurately made when sewing starts.

可方便的调节面线的进线量，以适应各种不同的布料，因此可在缝纫启动时精确的调整线量。

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He took a needle and thread and sewed it up.

他取来一根针和线并把它缝起来。

《柯林斯英汉双解大词典》

Acus has several meanings including a "single-prong hairpin" or "needle and thread, " she says.

WSJ: On Pins and Needles: Stylist Turns Ancient Hairdo Debate on Its Head

But a needle and thread could.

WSJ: On Pins and Needles: Stylist Turns Ancient Hairdo Debate on Its Head

She watched as her grandmother struggled to thread a needle with fingers that were beginning to bend at odd angles, like old trees.

NEWYORKER: The Visitor