Screw Back 螺旋式后盖
screw-back earring 螺丝夹耳环
screw back pressure 螺杆返压
Screw Back-up Ring 螺旋衬环
Screw Back Wood Cap 旋回木盖
Screw back not reached 螺杆后退未到位
screw back pressure regulator 螺杆有压调节器
Screw Lock Back 螺丝锁回
Screw earring back 螺旋耳扣
They can screw us up and set us back.
它们会搞砸我们的事，阻碍我们的脚步。
Back in the bedroom I fumble in the dark to remove the bulb from the table lamp and screw in one of the new sixty-watt bulbs I bought with the tools, in what now seems like another life.
回到了卧室，在幽暗的空间了，借着六瓦的小灯泡，端详这个小盒子，仿佛看到了另一个生命。
Put the absorbent cotton back into the tube, counterclockwise screw the tube on the cover tightly.
将吸透水的吸水棉放进套管内， 将套管逆时针方向旋紧在顶盖上。
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