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In the traditional subway construction, collision inspection can only be implemented after the design drawings of various specialties are summarized, which is time-consuming and labor-consuming and affects the project progress. Using BIM technology, collision inspection can be carried out on the pipelines of the building before construction, clearance and pipeline arrangement scheme can be optimized, hard collision can be eliminated and soft collision can be avoided as much as possible, and error loss and rework can be reduced.25-30 June她们知道此乃秦始皇的嫡亲公主，嬴子夜的亲姑姑，又是尉缭先生的妻子，因此一直很尊敬，以长辈之礼待之。　　此剧揭露了旧上海十里洋场黑恶帮派的残暴、危害无辜以及旧社会人吃人的残酷现象。Obviously, it is a clear direction to seek high-end links in the industry and high-end products. On August 10, Li Qiang stressed again that it is particularly important for Shanghai to firmly develop high-end manufacturing industry. The city "should not only come up with new high-end products to solve the" yes "problem, but also introduce more high-quality products to solve the" good "problem".板栗则对李敬文笑得贼兮兮的。李左车看了一眼对面的陈余，本不欲先开口的，但是赵王已然询问，当即恭敬回答道：大王，臣需要询问使者几个问题。