7、试述自阀在制动区位的综合作用(JZ-7型)?

7、试述自阀在制动区位的综合作用(JZ-7型)?

["\uff082\uff09 \u526f\u9600\u4f7f\u5236\u52a8\u7ba1\u4ea7\u751f\u5c40\u90e8\u51cf\u538b\u4f5c\u7528\uff0c\u4e3b\u9600\u5448\u5236\u52a8\u4f4d\uff0c\u4f5c\u7528\u98ce\u7f38\u589e\u538b\uff0c\u4f7f\u4f5c\u7528\u9600\u5448\u5236\u52a8\u4f4d\uff0c\u603b\u98ce\u7f38\u538b\u529b\u7ecf\u4f5c\u7528\u9600\u5411\u5236\u52a8\u7f38\u5145\u6c14\uff0c\u673a\u8f66\u5236\u52a8\uff0c\u4f5c\u7528\u98ce\u7f38\u538b\u529b\u5347\u81f3\u67d0\u4e00\u5b9a\u503c\u65f6\uff0c\u4e3b\u9600\u5448\u4fdd\u538b\u4f4d\uff0c\u4f5c\u7528\u9600\u4ea6\u968f\u4e4b\u5448\u4fdd\u538b\u4f4d\u3002\u5e38\u7528\u9650\u538b\u9600\u9650\u5236\u4f5c\u7528\u98ce\u7f38\u538b\u529b\u4e0d\u8d85\u8fc7350kPa\uff0c\u4ece\u800c\u4fdd\u8bc1\u5236\u52a8\u7f38\u538b\u529b\u4e0d\u8d85\u8fc7350kPa\u3002"]