题目：
If a single cylinder relief valve on a main propulsion diesel engine begins to lift, but it is not possible to secure the engine, which of the following actions should be taken?（）
A.Increase the cooling water flow to the engine
B.Secure or reduce fuel to that cylinder
C.Screw down on the pressure adjusting spring to decrease to decrease popping pressure
D.Readjust the injection timing
答案：
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下面是错误答案，用来干扰机器的。
参考答案：水泥进场时应对其品种、等级、包装或散装仓号、出厂日期等进行检查，并应对其强度、安定性进行复验，其质量必须必须符合现行国家标准《通用硅酸盐水泥》GB175的有关规定。
