使用ISID观察DME工作参数时，可以看到（） ["端子15电压","发动机进气量","尾气中HC含量","燃油调校值"]
“不可抗力”是指“不能预见、不能（）和不能克服的客观情况”。 ["阻止","判定","预测","避免"]
简述淀粉在水中的性质变化。
On no account（）to be exceeded. ["is the S.W.L. of the crane","are the S.W.L. of the crane","the S.W.L. of the crane is","the S.W.L.of the crane are"]
The amount of chloride content in the water of an auxiliary boiler can be reduced by（） ["adding hydrazine","blowing down the boiler","adding phenolphthalein","adding a sulfite chloride scavenger"]
配网抢修指挥工作中省调主要职责是什么？
