您要查找的是不是：
- The lid of this jam pot won't unscrew. 这果酱罐的盖子拧不开。
- There are two breakers in this circuit. 这个电路里面使用了两个断路器。
- A replaceable printed circuit board. 一种可替换的印制电路板。
- unscrew circuit 拧松螺杆电路
- The circuit of the city walls is three miles. 环绕本市城墙的周长是三英里。
- Unscrew the bonnet by turning counterclockwise. 反时针方向旋转拧松阀盖。
- There must be a break in the circuit. 电路中一定有断路。
- A short circuit will blow the fuse. 短路会烧断保险丝的。
- A short circuit put the machine out of action. 短路使机器停转。
- I can not unscrew the top of this bottle. 我拧不下这瓶的盖子。
- The switches close the contacts and complete the circuit. 这些开关可使接触器接通电流形成回路。
- I can't unscrew the lid of this jar. 这个瓶盖儿我拧不开。
- Unscrew and remove bonnet assembly. 旋下螺丝,拆卸阀帽组件。
- I can't unscrew the top of this bottle. 我拧不下这瓶的盖子。
- Step 1: Unscrew all the cover screws. 步驟一：鬆開木箱上蓋的所有螺絲。
- Unscrew the jar and cover with lid fitted over it. 旋开罐盖，用合适的盖子覆盖。
- Step 4: Unscrew the four cover screws. 步骤四：松开上盖的四颗螺丝。
- Unscrew the oil pipe connection. 拧开油管接头。
- Don't connect up the two wires, or there will be a short circuit. 不要把这两条电线接在一起，否则会短路的。
- Unscrew the doors themselves from their jambs! 把门也从门框上拆下来！
