帮忙翻译几句啊 谢谢了

The measuring device
which is firmly attached to the outer tube is in contact with the
top of the inner tube and indicates variations in the length of
the specimen with changes in temperature. Temperature
changes are brought about by immersing the outer tube in a
liquid bath or other controlled temperature environment maintained
at the desired temperature.

美国标准里面的 我看得累啊 会的人麻烦译一下哦

帮忙翻译谢谢了 帮忙翻译,谢谢了~~ 帮忙翻译,谢谢了 帮忙翻译，谢谢了！ 帮忙翻译~~~~谢谢了 帮忙翻译了 谢谢 帮忙翻译了，谢谢了 帮忙翻译哦，谢谢了 帮忙翻译一下!谢谢了 帮忙翻译一下谢谢了!