A、 Flash the screen with hot water.
B、 Fresh the filter with hot water.
C、 Rinse filter in hot running water.
答案:C
A、 Flash the screen with hot water.
B、 Fresh the filter with hot water.
C、 Rinse filter in hot running water.
答案:C
A. Obey the safety precautions when you do work with high voltages.
B. When working with high resistances, you should follow the safety precautions.
C. The safety precautions are optional in an environment with high voltages.
A. 拧紧螺母至足够牢固,而不是用手可以去拧动得动。
B. 拧紧螺母,但要保持足够宽松度,便于用手可以取下它。
C. 要保持螺帽被拧紧,使你的手无法拧松它们。
A. 电线代码由电路功能代码、电线编号、电线段字母和电线尺寸组成。通常会添加后缀,表示地线(N)、相位(A、B等)或热电偶材料(铝镁合金等)。
B. 电线代码由电路功能代码、电线编号、电线段字母和电线尺寸组成。通常会添加后缀,表示接地(N)、阶段(A、B等)或热敏电门材料(铝镁合金等)。
C. 电线代码由电路功能代码、电线编号、电线段字母和电线尺寸组成。通常会添加后缀,表示地线(N)、相位(A、B等)或热敏电门材料(铝镁合金等)。
A. 在需要折叠的页面上,折叠时不允许页码可见。
B. 在需要折叠的页面上,以允许页码可见的方式折叠。
C. 在需要折叠的页面上,以这样的态度来折叠,并保证页码可变。
A. The localizer beam is aligned with the centerline of the runway.
B. The localizer way is misaligned with the centerline of the runway.
C. The localizer course is aligned with the centerline of the runway.
A. The test will stop when the pressure is larger than 7000 kpa.
B. Stop the test if the pressure reaches 7000 pa.
C. Stop the test when the pressure is more than 7000 kpa.
A. 解除离合器可以防止启动发动机时发生意外。
B. 在启动发动机之前,脱开离合器。
C. 拆卸离合器,启动发动机。
A. Detach the sensor to establish a physical connection with the adjoining structure.
B. Install the sensor to block access to the adjacent structure.
C. Take out the sensor to reach to the neighboring structure.
A. 在制作壳体之前,确保钻头的尖端锋利。
B. 在钻孔之前,确保钻头的尖端锋利。
C. 在钻孔之前,确保电锯的尖端锋利。
A. Exterior Placards and Markings are required for ground servicing instructions, inspections, cautions, warnings.
B. Exterior Labels and Markings are required for ground servicing instructions, inspections, cautions, warnings.
C. Exterior Placards and Markings are required for ground servicing instructions, inspections, warnings, cautions.