A、 Lubricate the engine and its accessories with the same brand.
B、 Lubricants for the engine and the auxiliary equipment are the same.
C、 The engine and the additional devices are greased in a same manner.
答案：B
A、 Lubricate the engine and its accessories with the same brand.
B、 Lubricants for the engine and the auxiliary equipment are the same.
C、 The engine and the additional devices are greased in a same manner.
答案：B
A. Because of the risk of contamination, you must do this task in a very clean environment.
B. To prevent environmental pollution, this task must be done in a very clean area.
C. In order to prevent contamination, the task you must do is to find a very clean environment.
A. 机务使用方向盘操纵飞机在滑行期间的方向。
B. 机组在推出期间通过转弯手轮控制飞机方向。
C. 机组在用方向盘后退期间控制飞机方向。
A. To download the file, click here.
B. To load the document, click here.
C. Tap here to get the document.
A. Move it lightly and make it through the hole
B. Move it slightly to make it aim at the hole
C. Move it gently to make it enter the hole
A. 确保这片区域的设备都清空了。
B. 确保这个区域的设备都已打扫干净。
C. 确保那台设备在这个区域里是收好的。
A. 仔细测量滑油的容积。
B. 仔细测量滑油的流速。
C. 仔细测量滑油的密度。
A. Each surge tank has a vent scoop and pressure relief valve on its access door.
B. The vent scoop and pressure relief valve each has an access door in the surge tank.
C. The surge tank has a vent scoop and pressure relief valve on each access door.
A. 对退漆后的表面的修理必须是面积小于100平方英寸（645平方厘米），如果超过这一面积，则必须得到额外批准。
B. 对于分层的表面修理，面积不得超过100平方英寸（645平方厘米）。如果超出，你必须做部分更换。
C. 装饰面的修补面积必须小于100平方英寸（645平方厘米），如果超过这一面积，则必须更换该部件。
A. It supersedes the preceding edition.
B. It updates the previous version.
C. It takes place of the following version.
A. The space equipment releases the air from the compound.
B. The vacuum equipment decreases the air from the compound.
C. The vacuum equipment removes the air from the compound.
