252、When you replace a word, always make sure that the alternative you select does not change themeaning of the sentence. 当你替换一个单词时，一定要确保你选择的替代选项不会改变句子的意思。

1236、A dedicated tool is necessary for the installation of the unit.

1235、本规范中包含的规则应作为制造商编写的维修手册中所有资料的格式、风格和展示方法的指南。

1234、Carefully removes the trim cover from the adhesive tape.

1233、The manufacturer may establish procedures to provide feedback on unairworthy conditions that were discovered whencomplying.

1232 、 This category of technical verbs is only for descriptive texts such as general information, system description andoperation texts,and the descriptive parts of service bulletins

1231、操作调光器电门,确保光强发生变化。

1230、在涡轮前过热热电偶上安装终端接线片。

1229、不锈钢接触镁、铝或镉金属时会导致它们腐蚀。

1228、In designing schematic diagrams, it may be necessary to compromise between detail that is necessary to make thediagram self-explanatory,and simplicity that is essential for ease of reading and understanding.

1227、将孔的直径扩至 6.00+/-0.02mm.