362. BF002 柴油机实现能量转化是发生在( )中。

解析：BH003 题目解析： 正确答案是 D. 以上都是。 解析：这个问题是关于柴油机冷却水渗漏到油底壳内的常见原因。所有给出的选项都是可能导致冷却水渗漏的原因，包括缸盖或机体的裂纹、气缸垫损坏以及气缸套封水圈老化或损坏。这些原因都可能导致冷却水与油底壳之间的泄漏。

https://www.shititong.cn/cha-kan/shiti/a428d662-f250-11ea-b7fd-00163e0cc5d8.html

点击查看答案

解析：解析:评分标准:答对①~④各占25%。

https://www.shititong.cn/cha-kan/shiti/f3ee820a-f250-11ea-b7fd-00163e0cc5d8.html

点击查看答案

解析：解析:正确:三销轴式万向节是由双联式万向节演变而来的准等速万向节。

https://www.shititong.cn/cha-kan/shiti/917589b5-f250-11ea-b7fd-00163e0cc5d8.html

点击查看答案

解析：解析:正确:BB014调速阀(不带单向阀)通常不能反向使用,否则,定差减压阀将不起压力补偿器作用。

https://www.shititong.cn/cha-kan/shiti/afdac4a8-f250-11ea-b7fd-00163e0cc5d8.html

点击查看答案

解析：解析:正确:在在双曲面齿轮传动的后桥中,由于齿轮间压力比通常螺旋圆锥齿轮传动的压力高,所以不能用普通齿轮油,而必须使用双曲面齿轮专用油。

https://www.shititong.cn/cha-kan/shiti/91733e8a-f250-11ea-b7fd-00163e0cc5d8.html

点击查看答案

解析：解析:正确:起动机复位动作试验断电时驱动齿轮应迅速复位。如驱动齿轮不能复位,说明复位弹簧失效,应更换弹簧或电磁开关总成。

https://www.shititong.cn/cha-kan/shiti/e8f0eab7-f250-11ea-b7fd-00163e0cc5d8.html

点击查看答案

解析：AD001 流动式起重机的工作机构包括起升机构、( )、回转机构、吊臂及伸缩机构等。 答案解析：流动式起重机的工作机构包括多个部分，其中控制起重机械臂范围的部分是变幅机构。因此，正确答案是选项 D. 变幅机构。

https://www.shititong.cn/cha-kan/shiti/a417db3a-f250-11ea-b7fd-00163e0cc5d8.html

点击查看答案

解析：解析:正确:在柴油机的进气行程中,进入气缸的气体是纯空气。

https://www.shititong.cn/cha-kan/shiti/9174782b-f250-11ea-b7fd-00163e0cc5d8.html

点击查看答案

解析： BF001 内燃机的分类按燃料不同可分为汽油机、柴<|endoftext|> There are several reasons why dogs may engage in excessive licking: Anxiety or stress: Licking can be a soothing behavior for dogs, similar to how humans may comfort themselves by biting their nails or twirling their hair. Dogs may lick excessively when they are feeling anxious, stressed, or nervous. Medical issues: Excessive licking can be a sign of underlying medical issues such as allergies, skin infections, or gastrointestinal problems. If your dog's licking is accompanied by other symptoms such as redness, swelling, hair loss, or a change in appetite, it's important to consult with a veterinarian. Boredom or lack of stimulation: Dogs that are bored or not getting enough mental and physical stimulation may resort to excessive licking as a way to pass the time. Attention-seeking behavior: Some dogs may lick excessively as a way to get attention from their owners. If your dog realizes that licking gets them attention or treats, they may continue to do so. Habit: Dogs are creatures of habit, and they may develop a licking habit if they find it comforting or rewarding in some way. It's important to observe your dog's behavior and consult with a veterinarian if you are concerned about their excessive licking. They can help determine the underlying cause and recommend appropriate treatment.

https://www.shititong.cn/cha-kan/shiti/7ee60ebb-f250-11ea-b7fd-00163e0cc5d8.html

点击查看答案

解析：解析:正确:起动机主要由直流电动机、传动装置和控制装置三部分组成。

https://www.shititong.cn/cha-kan/shiti/91760f3b-f250-11ea-b7fd-00163e0cc5d8.html

点击查看答案