问题
问答题 简答题
液压系统的基本液压回路有哪些?有哪二大功能及组成?
答案
参考答案:
⑴压力控制回路:
①调压回路;
②减压回路;
③卸荷回路;
④增压回路;
⑤平衡回路。
⑵速度控制回路:
①节流调速回路(包括:进油、回油、旁路节流调速回路);
②容积调速回路;
③速度换接回路。
液压系统的基本液压回路有哪些?有哪二大功能及组成?
参考答案:
⑴压力控制回路:
①调压回路;
②减压回路;
③卸荷回路;
④增压回路;
⑤平衡回路。
⑵速度控制回路:
①节流调速回路(包括:进油、回油、旁路节流调速回路);
②容积调速回路;
③速度换接回路。
根据对话内容,选择适当的句子补全对话。 | |
W:Excuse me 1 P:Yes.Go down this road and turn right at the third crossing then turn left at the fourth crossing.You can see the the cinema on your left. W.How far is it? P: 2 I think you'd better go there by bus. W: 3 P:The No.88 bus. W: 4 P:It's over there outside the school gate. W: 5 P:Get off at the third stop and there you are. W:Thanks very much. 1._____ 2______ 3._______ 4._____ 5.______ |