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E the final CAD drawing leaves only one form of lines and necessary layers, such as doors, windows, steps and other layers that need to be modeled.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, The O-ring 10 is further arranged at the upper part 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, and the valve body 1 is provided with a liquid inlet cavity and a liquid outlet cavity.The obvious key difficulty is that you do not have past data to train your classifier. One way to alleviate this problem is to use migration learning, which allows you to reuse data that already exists in one domain and apply it to another domain.家，不同于国，不需要权力互相制衡。　　转眼数十年过去，正是哲宗在位之时。破落户高俅（魏宗万 饰）凭借一身的奇技淫巧深得端王欢心，随即平步青云。待端王继位为徽宗，高俅更到了不可一世的地步。岩瀬健（山下智久饰）和吉田礼（長澤まさみ饰）是从小学就在一起玩的青梅竹马，明明对彼此都心存好感，就只差说出“喜欢”二字，可是礼最后怎么就成了多田老师（藤木直人饰）的新娘？3. After the installation is completed, right-click "This Computer" on the desktop, left-click "Properties", find "Advanced System Settings" on the left side of the pop-up window and click.