Geographically speaking , haidian is located in an upwind position . construction and development of gas facilities are usually earlier than and given priority over other districts of the city . there are three kinds of gas facilities , namely , liquefied petroleum gas ( lpg ) , coal gas and natural gas 习惯上以此山为界，山之南称山前，山之北称山后，山后西山称大西山，山前西山称为小西山，西山农场至北安河一带属于燕山系统，峦峰巍峨、山势陡峭，属于中山山区。
It was dark , but at eleven o clock the moon rose in the midst of the ocean , whose every wave she silvered , and then , " ascending high , " played in floods of pale light on the rocky hills of this second pelion . the island was familiar to the crew of the young amelia , - it was one of her regular haunts . as to dant 天很黑，但到了十一点钟，月亮从海上升了起来，把海面上染成了一片银色，然后，又一步步上升，把苍白色的光泻满了这座堪称皮隆此山为希腊东北境内的高山，山中林木茂盛，景色秀丽，在希腊神话诗等文学记载中十分著名。
