需要时用 meaning in English

s.o.s

On some machines , you may need to use
在某些机器上，您也许需要时用
The serial driver takes one argument right now , which is a number to override the default major number if you need to
目前序列驱动有一个变量，就是在你需要时用一个代号取代默认的主号码。
See table 8 - 3 in chapter 8 of the dungeon master ' s guide and the accompanying text , substituting “ psionic ” for “ magic ” as necessary
见《地下城主指南》第八章的表8 - 3及附文，需要时用“灵能”替换“魔法” 。
If you want your suits to survive , dry - clean them infrequently . instead , have them steam - pressed when they need shaping up
如果你想让整装多活些日子，我们不能频繁地去干洗，而是要在需要时用蒸汽修整他们的形状。
Another emerging approach is to maintain a single graphic version of the web content and use programs to dynamically generate a text - only version on demand
另一个开始被使用的方案是用单一个图象版本的网页，在需要时用特制的程式来产生一个即时的文字版本。