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Usually, one to two turns beyond hand-tight, using a suitable strap-wrench, if necessary, is sufficient.

通常，感到手紧后，如果必要的话，再采用实适当的固定扳手旋转一至两圈就足够了。

The dog will have a hard time seeing this line, giving you something to control him by if necessary.

狗年将有困难的时候看到这条线，让您能有所控制他的，如果必要的。

Such as variable frequency drives can be further connected directly to the communications network or hardwired if necessary.

例如变频驱动器如果有必要的话可以直接被连在通讯网络或硬线上。

It is important to harmonise the way to gather and, if necessary, to take action on important clinical safety information arising during clinical development.

对于临床研究开发过程中出现的重要的临床安全性信息，协调收集方法及在必要时采取措施是十分重要的。

I'd like to go with you if necessary so that I can give a helping hand .

如果有必要的话我会跟你一起去，这样我可以帮助你。

There is enough tension to hold the tubing in place, but also provides for easy removal if necessary.

有足够的紧张局势举行油管在地方，但还规定，很容易去除，如果必要的。

If necessary, the ship could be configured into a hospital ship, a light helicopter carrier, or a transport ship.

如果必需，船能被配置成一艘医院船，一艘轻直升飞机母舰或一艘运输船。

After improving the program, dots can be encoded automatically in the condition of removing dots, and can be encoded handily by human-computer dialogue if necessary. For speckle correlation method, speckle is arranged easily on model surface.

自动网格法在模型表面布置网格点容易，由于开挖或裂缝等原因去掉网格点，改进后的程序仍能自动编码，必要时可通过人机对话手工编码。

Berry Ice Cubes : Fill 2 ice-cube trays with fresh berries, halve or quarter berries, if necessary. Add water. Freeze until firm.Make-Ahead Tip:Up to 2 days ahead, prepare the ice cubes.

我们平时知道的冰块主要是用水做成的，文中所提到的ice cubes可是用新鲜的浆果当原料的，用量的多少可以按情况来定。

If necessary, I will do it.

如果有必要的话，我来

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。