Preparation Place shiitake mushrooms in medium bowl. Add 1 cup cold water; let soak until soft, about 1 hour. Drain, reserving soaking liquid. Squeeze mushrooms dry. Cut off stems; discard. Thinly slice caps. Combine broth, ginger, and reserved mushroom liquid in large saucepan; bring to boil. Cover and reduce heat to low. Boil noodles in salted water until tender but still firm to bite, about 3 minutes. Drain; divide among 6 bowls. Heat 14-inch-diameter flat-bottomed wok or heavy 12-inch-diameter skillet over high heat until drop of water evaporates on contact. Add 2 tablespoons oil, then pork, spreading evenly. Cook without stirring 20 seconds; then stir-fry pork until no longer pink, about 2 minutes. Stir in rice wine and soy sauce. Transfer to plate. Add remaining 1 tablespoon oil to same wok (do not clean) over high heat. Add mushrooms; stir-fry 1 minute. Add snow cabbage, bamboo shoot strips, and sugar; stir-fry 30 seconds. Stir in pork and any accumulated juices. Stir-fry 1 minute. Top noodles with pork mixture. Divide hot broth among bowls.
Preparation Place shiitake mushrooms in medium bowl. Add 1 cup cold water; let soak until soft, about 1 hour. Drain, reserving soaking liquid. Squeeze mushrooms dry. Cut off stems; discard. Thinly slice caps. Combine broth, ginger, and reserved mushroom liquid in large saucepan; bring to boil. Cover and reduce heat to low. Boil noodles in salted water until tender but still firm to bite, about 3 minutes. Drain; divide among 6 bowls. Heat 14-inch-diameter flat-bottomed wok or heavy 12-inch-diameter skillet over high heat until drop of water evaporates on contact. Add 2 tablespoons oil, then pork, spreading evenly. Cook without stirring 20 seconds; then stir-fry pork until no longer pink, about 2 minutes. Stir in rice wine and soy sauce. Transfer to plate. Add remaining 1 tablespoon oil to same wok (do not clean) over high heat. Add mushrooms; stir-fry 1 minute. Add snow cabbage, bamboo shoot strips, and sugar; stir-fry 30 seconds. Stir in pork and any accumulated juices. Stir-fry 1 minute. Top noodles with pork mixture. Divide hot broth among bowls.