问题
多项选择题
热磁式氧分析仪指示值无规则漂移,产生此种故障原因有()。
A、样气压力不稳
B、样气流量不稳
C、量程电位器接触不良
D、发送器内有水
答案
参考答案:A, B, C
热磁式氧分析仪指示值无规则漂移,产生此种故障原因有()。
A、样气压力不稳
B、样气流量不稳
C、量程电位器接触不良
D、发送器内有水
参考答案:A, B, C
根据句子意思,从方框中选用恰当的单词或短语填空。
小题2:They have already decided _________________ a good plan for the coming holidays. 小题3:He _______________me his telephone number yesterday, but I can’t find it now. 小题4:There is something wrong with your bike, please use_____________________. 小题5:It’s raining __________________, so we can’t have our sports meeting on time. 小题6:My parents always give me some pocket money ___________ the month. 小题7:The journey took a long time. There was a lot of _________________. 小题8:If you work harder, your dream will _______________ soon. |