1.产品技术落后，特别是客户最关心的ASON等技术常出问题；2．人员专

1.产品技术落后，特别是客户最关心的ASON等技术常出问题；
2．人员专业素质偏低，特别是运维客户有时表达不满；

ผลลัพธ์ (อังกฤษ) 1:

1. product technology, especially the customers care most about ASON technology is often a problem;2. Professional quality is low, especially maintenance customers sometimes express dissatisfaction;

ผลลัพธ์ (อังกฤษ) 2:

1. Product backward technology, especially customers are most concerned ASON technology is often a problem;
2. Low-quality professional staff, in particular the operation and maintenance of customers sometimes express their dissatisfaction;

ผลลัพธ์ (อังกฤษ) 3:

1 product technology behind, especially customers are most concerned about the ASON and other technical problems often;2 professional quality is low, especially the operation and maintenance customers sometimes express dissatisfaction;