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Examples are as follows: (Let's give an example of sending emails and short messages)5. Just like JAVA_HOME, create a new environment variable named "classpath". The variable value is:% JAVA_HOME%\ lib\ dt.jar; % JAVA_HOME%\ lib\ tools. Jar. As shown in the figure:A low temperature stop valve, Unlike Example 1, Comprises a valve body 1 and a valve cover 2, A valve stem 3 is arrange in that valve body 1, One end of the valve stem 3 is provided with a valve disc 4, The other end of the valve stem 3 is provided with an adjusting handwheel 5, A low portion of that disc 4 is provided with a guide sleeve 6, The guide sleeve 6 is fixed by means of a connecting piece and a spring pad 8, Between that disc 4 and the guide sleeve 6 is provide a valve seat 7, Between that valve stem 3 and the valve cov 2 there is provided a packing assembly 9, An O-ring 10 is further dispose at that upper portion of the packing assembly 9, The upper part of the O-ring 10 is provided with a packing gland 11, the valve body 1 is provided with an arc-shaped end face 12, the arc-shaped end face 12 forms a line seal between the valve body 1 and the valve seat 7, the contact end of the valve disc 4 and the valve seat 7 is provided with a water grain surface 41, the packing assembly 9 comprises a flexible graphite packing layer, the valve body 1 is provided with a liquid inlet cavity and a liquid outlet cavity, and the two O-rings 10 are respectively arranged on the inner side and the outer side of the packing gland 11.故事讲述个性女主与桀骜不驯的男主第一次在派对相遇时，彼此都留下了不好的印象，女主更是多次喷男主。男主怀恨在心，誓言以后要好好教训下女主，恰巧女主来到了男主的农场生活，男主开始了“调教女主”的乐趣日子，后来男主突然发现女主原来是他小时候暗恋的女孩，一切情愫便开始发生了变化。如今这些小辈都怕七弟呢。怕是有地主牵了个头，借着这势头告急哭穷，若是严查定罪下去，该是能追缴回来。