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The success rate of weightlifting selection is only 50%The following question: The fire truck lane should meet the requirements of disaster relief and evacuation, and its width should ensure that the fire truck can still pass after the houses on both sides of the main road are affected and collapsed. Reasonable planning, construction and renovation of fire lanes shall be carried out in the blocks. The width, spacing and turning radius of fire truck passages shall be required by relevant regulations of symbols to ensure the smooth flow of fire truck. Cities with rivers and railways passing through should take measures such as adding bridges to ensure the smooth flow of fire engines. Due to the needs of urban construction, when temporary excavation or occupation is necessary, the approving unit must promptly notify the public security fire supervision institution. GB50016-2006 Code for Fire Protection Design of Buildings 6.0. 1 The passage of fire engines should be considered for the roads in the block, and the distance between the center lines of the roads should not be greater than 160.0 m m. When the length of the building along the street is greater than 150.0 m or the total length is greater than 220.0 m, a fire lane shall be set up to pass through the building. When it is really difficult, an annular fire lane shall be set up. 6.0. 2 For buildings with closed inner courtyard or patio, when the short side length is greater than 24.0 m, fire lanes entering the inner courtyard or patio should be set up. 6.0. 3 When buildings with closed inner courtyard or patio are along the street, pedestrian passageways (stairwells can be used) connecting the street and inner courtyard shall be set up, and the spacing shall not be greater than 80.0 m m.. 6.0. 4 Facilities that affect the passage of fire engines or the safe evacuation of personnel shall not be set up on both sides of the fire lanes that pass through the building or enter the inner courtyard of the building. 6.0. 5 Gymnasium with more than 3000 seats, exceeding忠厚善良的高寒，在和前妻的争夺女儿抚养权的战争中失败，此时，因车祸丧生的同学关玲玲的儿子却被送到了自己家。无奈之下，因为一场与自己风马牛不相及的车祸，高寒同自己的两位房客汪东阳、于博各自努力，成了三个别具特色的奶爸；他们不仅要照顾孩子这个小麻烦，还要照顾嘟嘟的亲小姨关姗姗这个大麻烦。三人共同抚养孩子的同时，也努力找寻着嘟嘟的身世之谜。经历了孩子失而复得、前妻刘敏归来搅局、关珊珊破产风波、抚养权争夺等等一系列的囧事，高寒和关姗姗情愫渐生，而于博也对关姗姗情有独钟，一面是温柔大叔，另一面是冷面男神，最终高寒与关姗姗走到了一起。和平年代，不需要再打打杀杀，但是千万不要忘了一句话：忘战必危。Through the management of the connection pool, the sharing of database connections is realized, and the connection does not need to be recreated every time, thus saving the overhead of database recreation and improving the performance of the system!Basically, made upMindManager: MindManager supports many types of formats. Can be exported to PPT, picture, Word, PDF, swf and other types of formats, can be perfectly compatible with Microsoft Office, output quality is high.