ldpe/ld156bw奶瓶 系列tpv a55ni-hf、pps mt9120l4、abs as-0150、tpe g3000、tpe tb-6000-75、pa66 a3wg6hrx、tpu 3485a、tpe cm600-v、asa inp894 、
lcp 2140gm、tpu ac85ahpmpa9t g2330 kg004、pp 5143s、pa66 kn333hb540bl、eva 680、tpu 487dps、pa66 gf50-20、pa66 gs、pbt 357 、
lcp a540 pc 3412ecr-131/739、pom vc-21、etfe ep620
the virtual circuit is one of the services provided by the network packet switching (another datagram service), simply said, is through the internal control mechanism of the network, the establishment of virtual logical connection between the host&the user, ensure correct transmission packet with the sequence of communication, before&after establishment&removal of virtual circuit. the perpetual virtual circuit is a virtual circuit that is set up at the initialization of the network,&the virtual circuit is kept. both the x.25 network&the b-isdn provide pvc services. pvc bags are generally forbidden.
ldpe/ld156bw奶瓶 系列pa66 kdg1010f、pp y101e、pa66 ag-30h、tpe lx640、pc fxd1414t 、pom 4563、tpu 15n70、pc 3027ir、pc g6f23r、
pc ir1700、pp rb307moepdm px-049pem、eva 9305、pps ofl-4036、pp 6202、pp 3708u 、pc li1813r、pc 103r-111、pbt 2122、
pom k300ewpa66 cr301、pp jh-570、pc/abs 7530
in 2005, the total consumption of lldpe&ldpe in china was 5 million 980 thousand tons, of which lldpe consumption was 3 million 550 thousand tons, an increase of 25.4% over the previous year, accounting for 59.4% of total lldpe/ldpe consumption,&ldpe consumption of 2 million 430 thousand tons, an increase of 0.7% over the previous year, accounting for 40.6% of the total consumption of lldpe/ldpe.
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