Partly open the roof and unscrew the centring pin on the relevant side ( see enclosure ).

Do not use Check Arm as a handle to unscrew.

不要用止回阀臂作为把手来旋转螺纹.

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 and remove bonnet assembly.

旋下螺丝,拆卸阀帽组件.

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。

I had never before known that the human leg did unscrew.

我以前还真不知道这人腿是可以拧下来的.

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.

Step 4 : Unscrew the four cover screws.

步骤 四: 松开上盖的四颗螺丝.

Unscrew the locks from the doors!

把锁从门上拆下来!

The Officer unscrewed the cap and put the bottle to his nostrils.

那位官员拧开了瓶盖,把瓶子凑近鼻孔.

The shampoo bottle head had been unscrewed and spilled on the floor, seeping into the mat.

洗发水的瓶盖拧开了,都流到了地上, 渗进地毯里.

The crew unscrewed thue screws from the sewing-machine and chewed them.

船员们从缝纫机上旋下螺钉并咀嚼它们.

It can be removed by simply unscrewing with a large pipe wrench.

只需用一把较大的管道扳钳旋下螺纹就可以拆卸底部塞弹簧总成.

The valve should be able to be removed by unscrewing the valve from housing.

通过从外壳上旋下安全阀应该能够拆卸安全阀.

Gear operator is removed by unscrewing hex head screws which hold operator to valve body.

通过拧松将操作机构固定在阀体上的六角螺栓来拆卸齿轮操作机构.

Separate the two pipes by unscrewing them.

松开螺丝把两根管子拆开.

As an old saying golden eggs , these unscrupulous Methods : Will only accelerate the vicious circle.

不要只为了今天,不要明天, 这种 杀鸡取卵 的做法,只会促使恶性循环加速.

He is an unscrupulous businessman.

他是个不择手段的商人.

You always take part with the unscrupulous man.

你总是袒护那些肆无忌惮的人.

unscrupulous methods

不公正的方法

He was utterly unscrupulous in his dealings with rival firms.

他与对立公司竞争完全不讲道德.