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- soft screw down 轻压下
- Screw out the oil plug while filling, and screw down as finished. 注油时，将油塞旋下，注油毕，再将油塞旋上拧紧。
- The blackboard was screwed down to the wall. 黑板是用螺丝拧在墙上的。
- The beam was screwed down to the cross bar. 横梁已用螺丝柠在垮木上。
- A usually thin nut screwed down on another nut to prevent it from loosening. 防松螺母常指拧紧在另一个螺母上的防止其松动的细螺母
- I am screwed down by fixed rules. 我被清规戒律束缚住了。
- This paper introduces the screw down coned system on the 2800mm plate mill of Anyang Iron and steel company. 综述了厚板轧机的发展及其技术改造的特点；
- The coffin lid had been screwed down. 棺材盖已经盖紧了。
- Squeaking floorboards should be screwed down. 踏上去咯咯作响的地板应用螺钉钉住。
- The valve can be installed in horizontal or vertical. Add seal cushion between two flanges connection and screw down bolt. 本阀可水平或垂直安装，安装时两法兰连接中间必须加密封垫片，然后均匀锁紧螺栓。
- Loosen locknut and draw out the handle to open random position when operate.Then screw down locknut to make the disc settled in this position. 运行时先松开锁紧螺钉，手握把手向外抽出，达到工况开启任意位置，然后拧紧锁紧螺钉，使插板停留在这一位置。
- Pay attention to the flow direction of medium marked on the body. Add the sealed shim between the two flanges and then screw down the bolt. 安装时请注意闸门本体上标明介质流向。两法兰连接时必需加密封垫片，然后均匀锁紧螺栓。
- Take 4 pieces batteries for light display or connect it with power in car. To attach the cupule on surface of windshield for fix angle and screw down it. 显示屏安装4节5号电池或接上点烟器电源，取出吸盘贴在玻璃表面上，确保产品在车上的安装角度，拧紧螺帽以免脱落。
- When the phase bus bar all installing well, screw down all bolt according order with bushing-spanner and wring-spanner, main bus bar bolt's fastener power is 50 N. 待该相母线都安装就位后，再使用套管扳手及扭力扳手按顺序将每根螺栓拧紧，主母线螺栓的紧固扭力为50牛顿.;米。
- The hatch covers of all empty tanks were screwed down. 所有空坦克的天窗盖都已用螺丝钉钉住。
- Now screw down the lid. 现在用螺丝将盖子固定好。
- Does this lid screw on, or does one press it down? 这个盖子是拧的还是按的?
- Ensure the fittings of Ripple Pipe and water pipe have be screwed down. 确认波纹管和水管的接头是否拧紧。
- I can't get this screw to come out of the wall. 我无法把这颗螺丝钉从墙上取出。
- Soft material damps down vibrations. 柔软的材料可防震。
