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1·One of the screws is loose.

有一颗螺丝松了。《牛津词典》

2·These screws are metric.

这些螺丝钉是用公制尺码制造的。《牛津词典》

3·The screws are sized in millimetres.

这些螺丝是用毫米标定大小的。《牛津词典》

4·Each bracket is fixed to the wall with just three screws.

每个托架只用3颗螺钉固定在墙上。《柯林斯英汉双解大词典》

5·Blades without clips are held by screws and the clamp on the handle.

失去金属夹的刀片由螺丝和手柄上的夹子固定。

6·The mechanic should sit down among levers, screws, wedges, wheels, etc..

机修工应该坐在杠杆、螺丝钉、楔子、轮子等中间。

7·Robert Fulton once wrote, The mechanic should sit down among levers, screws, wedges, wheels, etc.

罗伯特·法欧特曾经写道：“一个技师会坐在杠杆、螺丝钉、楔子、轮子等中间。”

8·Before we could replace the power supply, we would have to remove from the telescope a handrail fixed with four screws.

在更换电源之前，我们必须从望远镜上取下一个用四个螺丝固定的扶手。

9·We needed more screws, pegs, hooks, wire, twine, string, tape, paint, cleats, deadeyes, foam rubber, plates, spoons, mugs.

我们需要更多的螺栓、钉子、导线、细绳、线带、胶带、油漆、木条、辘轳、海绵、木板、汤匙、茶杯。

10·The lid simply screws on.

这盖子一拧就盖好了。《牛津词典》

(1)drywall screws干壁钉；墙用螺丝