汽车转弯时,()会对作用于汽车的离心力有较大影响。 ["行驶速度","装载情况","转弯半径","轮胎温度"]
允许铆钉头周围的蒙皮在铆钉的一个间距长度上有深度在()mm以内的划伤。 ["A.0.5","B.0.2","C.0.3","D.0.4"]
活塞式压缩机运行()左右应进行中修。 ["1000h","2000h","3000h","4000h"]
活塞式压缩机的轴承温度不应过高,应在35~60℃之间,不应超过室温()。 ["30℃","35℃","40℃","45℃"]
铆钉镦头高度()(铆钉杆直径)。 ["A.h=(1.5~1.6)D","B.h=(1~1.2)D","C.h=(0.5~1)D","D.h=(0.4~5)D"]
湿球溶冰时间如何掌握?