电梯平衡系数偏大时，应在对重架上增加对重块.（)
参考答案：错
______ by one of his fellow soldiers,the wounded man walked slowly across the field.
[ ]
A. Supporting
B. Supported
C. Support
D. Been supported.
16V280柴油机在喷油泵四个特定供油挡位时的速度特性曲线包括扭矩，功率和（）曲线。
A、转速
B、负荷
C、燃油消耗率
D、调速
