五行中金的特性是:() ["A、寒凉","B、收敛","C、承载","D、条达舒畅"]
推土机的基本作业方法没有()作业。 ["斜铲","直铲","分段","侧铲作业"]
因为(),造成离合器发抖,使汽车不能平稳起步。 ["分离杆内端面不在同一平面内","离合器踏板自由行程过大","离合器摩擦盘沾有油污","离合器踏板自由行程过小"]
缓抬离合器并踩下加速踏板,汽车不能平稳起步,是因为() ["离合器踏板自由行程过大","离合器踏板没有自由行程","离合器分离杆调整过高","离合器踏板自由行程过小"]
属于阴的药味是:() ["A、辛","B、甘","C、淡","D、苦"]
哪本书找不到忠字()