D stands for bullet train, G stands for high-speed rail, T stands for express, K stands for air conditioning fast. D, G, Z, K are all trains, just different types of trains. 1. Emu trains (D-prefix) EMU passenger trains (dedicated passenger lines) D1001-D9998. \"D\" reads \"move\". Among them: D1001-D5998 for inter-office, D6001-D9998 for intra-office. Top speed 250 km\/h.
Mainly CRH1, CRH2 and CRH5, the top speed can reach 250 km\/h.
The Guangzhou-Shenzhen Line is more full use of this car.
The standard pronunciation of railway system is \"move X times\".
2, high-speed railway EMU (G-prefix) High-speed EMU passenger train (Beijing-Shanghai high-speed Railway) G1001-G9998. \"G\" reads \"high\". Among them: inter-office G1001-G5998, internal G6001-G9998. Since December 26, 2009, Wuguang-Guangzhou high-speed rail opened 23 trains, according to regulations, Wuguang-Guangzhou high-speed rail opened high-speed EMU train number with a new letter, \"G\
The value is T1-T5000 in inter-office and T5001-T9998 in intra-office. Special express passenger train, referred to as express passenger train, or express train, or special express train, or express, the letter T is " Special; Word short for Chinese Pinyin. Top speed 140 km\/h. The cross-bureau express only stops in provincial capital cities, sub-provincial cities and a small number of major prefecture-level cities and other large stations or direct, and the internal express only stops in prefecture-level cities.
The standard pronunciation of railway system is \"special X times\".
4, fast passenger train (K-prefix) Fast passenger train (general line) K1-K9998. \"K\" reads \"fast\".
Among them: inter-office K1-K6998, internal K701-K9998. Fast passenger train, short for fast, the letter K is " Quick " Word short for Chinese Pinyin. Top speed 120 km\/h. Such trains generally only pass through prefecture-level administrative centers or important county-level administrative centers on their journey. The standard pronunciation of the railway system is \"fast X times\".
1. High-speed rail EMU (G-prefix) : G1001-G9998. \"G\" reads \"high\". Among them: inter-office G1001-G5998, internal G6001-G9998.
2. Emu train (D-prefix) : EMU passenger train (passenger dedicated line) D1001-D9998. \"D\" reads \"move\". Among them: D1001-D5998 for inter-office, D6001-D9998 for intra-office.
3, direct express passenger train (Z prefix) : Direct express passenger train (general line) Z1-Z9998. \"Z\" is pronounced \"straight\".
4, fast passenger train (K prefix) : fast passenger train (general line) K1-K9998. \"K\" reads \"fast\". Among them: inter-office K1-K6998, internal K701-K9998.