Check the oil level on the dipstick, making sure the level is in the proper range.
查看量油机，确保油压在一个合理的范围。
Notice: Avoid overfilling, or the engine could be damaged. Check the oil level on the dipstick once again after adding the oil.
注意：避免过量填充，否则发动机可能发生故障。在加入机油后，应再次检查油平面。
Check the tire pressure, oil level, and lighting of headlights, brake lights, and turn signals before starting the engine.
检查轮胎压力，石油级、照明头灯、制动灯、信号转开始前发动机。
Hold hydraulic unit horizontally and check hydraulic oil level at the reservoir using the cross hairs marking.
扶住液压单元，使其保持水平，然后用十字线标记检查贮液罐中的液压机油油位。
This kind of system was used to check the liquid-level in inflammable and explosive oil field.
这种系统特别适用于易燃易爆油田领域的液位检测。
This kind of system was used to check the liquid-level in inflammable and explosive oil field.
这种系统特别适用于易燃易爆油田领域的液位检测。
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