久草小区二区三区四区网页

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, A valve seat 7 is arranged between the valve disc 4 and the guide sleeve 6, a packing assembly 9 is arranged between the valve stem 3 and the valve cover 2, an O-ring 10 is further arranged on 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, and the contact end of the valve disc 4 and the valve seat 7 is provided with a water grain surface 41./lavish (generosity)这……这里靠近黄龙寨。葫芦心里纠结：要是去集上，请衙门的史班头将各码头和道口都封住的话，万一刚走一会，这边又找到青莲哩？若不去吧，又怕耽误了时辰，怕的是青莲早被人偷出清南村去了。大凡婆媳都有些膈应，少有和顺的。田横一把手，使者如蒙大赦，赶紧退去。