雁門關 的英文怎麼說
中文拼音 [yànménguān]
雁門關
英文
yanmen guan-
The specialized forwarding services all over the world include follows : transportation of special containers for hanging garments, refrigerated goods, dangerous goods and bulky cargo etc ; goods suffocating and insurance service ; door - to - door prompt delivery service ; the whole procedure service for import goods includes d / o exchange, customs clearance, cargo pick up and delivery etc ; provide information concerning the lines, vessel status and sea freight etc
上海雙雁國際貨運代理有限公司為您專業提供全球貨運服務，包括掛衣、冷藏、危險品、大件等特種貨物，特種箱的運輸服務，代辦熏蒸、貨物保險的業務，從貨物起點至目的地的快捷便利的門-門服務，進口貨物的換單、清關、提送貨服務，接受客戶航線、船舶運態，運雜費等的咨詢服務。Secondly, the paper simplified the calculating model of fume in the high tunnel. took the fume restriction into account, the paper provided some equations to calculate the longitudinal fire ventilation. finally, the paper calculated three examples : the zhongliangshan tunnel and the left route of the yanmenguan tunnel
最後，本文將公路隧道火災的通風模型進行簡化，考慮火災煙流阻力（節流阻力，摩擦阻力，火風壓）的影響，提出了縱向式火災通風計算的方程式，並對中梁山隧道的左右線、雁門關隧道的右線進行了實例計算。
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