unscrew
vt.& vi. 从…旋出螺丝,旋开,松开
If you unscrew something such as a lid, or if it unscrews, you keep turning it until you can remove it.
She unscrewed the cap of her water bottle and gave him a drink...
她拧开水壶的盖子给他喝水。
The base of the lamp unscrews for wiring and mounting.
台灯的底座可以拧开来进行布线和安装。
If you unscrew something such as a sign or mirror which is fastened to something by screws, you remove it by taking out the screws.
He unscrewed the back of the telephone and started connecting it to the cable.
他旋出螺丝打开电话机后盖,开始动手把话机跟电话线接上。
1. loosen something by unscrewing it;
2. loosen by turning;
To replace relief valve disc, hold the upper guide fin and unscrew the diaphragm pressure plate.
要更换安全阀阀瓣, 握住上部引导翼,旋下隔膜压力板上的螺丝.
Unscrew the nut from the service connection of suction valve and connect the compound pressure gauge.
拧下室外机吸气截止阀检修接头的螺帽,将复合压力表接上.
When connection is broken , unlatch tongs and unscrew the pipe using chain tongs or pipe spinner.
卸开扣后,打开大钳用链钳或旋扣器旋开扣.
Using a Chemtrol spanner wrench, unscrew the seat - carrier ( Tru - Bloc Model - C ) by rotating in the counterclockwise direction.
使用一把Chemtrol活动扳手, 通过逆时针方向旋转拧松阀座支架 ( Tru -Bloc型号C ) 的螺纹.
I can't unscrew the top of this bottle.
我拧不下这瓶的盖子.