Cast Ni-base superalloy K52 K52镍基铸造高温合金
K52 passenger can enjoy interchange concessions of the full bus fare paid when transferring to West Rail Line or Light Rail within 60 minutes after boarding the bus.
K 52线乘客在上车后60分钟内转乘西铁线或轻铁，可享免费转乘优惠，优惠额为已缴付之正常巴士车费。
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