A、 每一个点处的宽度和深度值不能小于30
B、 每一个点处的宽深值不能大于30
C、 每一个点处的宽深比不少于30
答案：C
A、 每一个点处的宽度和深度值不能小于30
B、 每一个点处的宽深值不能大于30
C、 每一个点处的宽深比不少于30
答案：C
A. Scientific verbs must disobey the same rules as other approved verbs in STE.
B. Technical verbs must obey the same rules as other approved verbs in STE.
C. Mechanical verbs must violate the same rules as other approved verbs in STE.
A. 从新垫圈上标有ANTENNA SIDE的一侧撕掉保护膜
B. 从标有ANTENNA SIDE记号的垫圈上撕掉保护膜
C. 从新垫圈一侧撕掉保护膜然后标记ANTENNA SIDE
A. At the location shown in the figure, waterproof corrosion inhibiting compound has been used on certain aircraft construction. To keep the effectiveness of this protection, reapply the compound in these or other locations periodically.
B. Water displacing corrosion inhibiting compound has applied on certain airplanes structure in the locations in this figure. Periodic reapplication must be applied in these and other locations, so as to maintain effectiveness of this protection.
C. Water displacing anti-seize compound has been applied on certain airplanes construction in the locations in this figure. Periodic reapplication should be utilized in these and other locations, in order to keep effectiveness of the protection
A. This procedure is only for repairs that include a very small number of screws.
B. This procedure is only for repairs that include a very small number of nuts.
C. This procedure is only for repairs that include a very small number of rivets.
A. 乙醇是非常易燃的。
B. 乙醚是非常易燃的。
C. 甲苯是非常易燃的。
A. 在远离设备或金属框架建筑物的区域进行工作。
B. 在有设备或材科框架建筑物的区域进行工作。
C. 在远离设备或材料成型建筑物的区域进行工作。
A. In the STE example, this safety description is given as a caution, but if you know about oxygen systems, you also know that oxygen can occur explosions.
B. In the non-STE example, this safety instruction is given as a caution, but if you know about oxygen systems, you also know that oxygen can cause explosions.
C. In the non-STE example, caution is given in this safety description. But if you know about nitrogen systems, you also know that nitrogen can cause flames.
A. 快速定点必须与航迹的点吻合。
B. 夹具必须贴合导轨上的洞。
C. 紧固件必须和滑轨内的孔对准。
A. The airworthiness section may recommend each expected replacement time.
B. The replacement time must be set forth in part of airworthiness section
C. Airworthiness section must set forth each mandatory replacement time.
A. 你需要在安装发动机时更换大量零件。
B. 更换发动机时,你可以安装大量部件。
C. 在发动机安装时可能更换大量部件。
