2929.手工工具基本分成四大类:敲击工具、夹持工具、切割工具、扭转工具。

A. 如果轮胎温度升高至超过 177 度,易熔塞熔化且轮胎放气。

B. 如果轮胎温度上升 177 度,易熔塞会熔化并导致轮胎泄气。

C. 当轮胎温度超过 177 度时,保险丝会熔化并导致轮胎漏气。

A. Use the clean solvent again to leave the oils on the surface.

B. If necessary,clean the oils by applying clean solution.

C. Remove the oils,if necessary,by applying clean solvent again.

A. 辅助结构包括前缘、后缘、翼尖、翼尖油箱和燃油或水单元隔板,不包括镀层/蒙皮。

B. 辅助结构包括前缘、后缘、翼尖、翼尖油箱和燃料或水电池背板,不包括板/皮。

C. 辅助结构包括前缘、后缘、翼尖、尖端燃料箱和燃料或水电池背板,不包括板/蒙皮。

A. 为减慢固化过程,减少对化合物的加热。

B. 为减缓损耗,降低复合材料承受的热量。

C. 减少施加的热量会导致制作工序减慢。

A. 从油箱排出约 2 升滑油。

B. 从油箱排出约 2 升液压油。

C. 从油箱排出约 2 升燃油。

A. 用标签识别拆下的零件,此方法将有助于随后的装配过程。

B. 保存好拆下标签的零件,此方法将有助于随后的装配过程。

C. 用标签识别拆下的零件,此方法将有助于子部件的安装。

A. A mixture of fuel and oxygen can cause an explosion.

B. A mixture of fuel and nitrogen can cause an burn.

C. A mixture of gas and oxygen should cause an explosion.

A. The condition of the radome is very important for its performance.

B. The condition of the antenna influences its properties greatly.

C. The condition of the radar has an important effect on its characteristics.

A. If you drink contaminated water ,illness must happen.

B. You may be in trouble,if you drink bacteria free water.

C. If you drink water that contains bacteria,you will get sick.

A. Other format is not permitted.

B. It's not permissible to use this form.

C. Either format is allowed.