YKLJT connector manufacturers Zheng coal machine drawings] YKLJT connector specification YKLJT connector manufacturers Zheng coal machine drawings] YKLJT connector specification in coal mine construction and production process, the various types of source water will enter the roadway and by different routes Face, in order to ensure mining safety, to prevent water damage occurs, the need to discharge mine water inflow. According to incomplete statistics, in the mining process, the 2004 national coal mine water discharge of about 3 billion m & sup3; YKLJT connector manufacturers, the quality of employment index Eraluation how to build? According to the website of the Ministry of Education reported that as of July 2014, the National College (independent Institute) 2542, 2246 of which universities and colleges (including 444 private colleges and universities). Such a large number of colleges and universities, graduate employment in publishing quality report, in full accordance with a pattern, an indicator system to statistics released employment data is not sufficient to fully reflect the employment situation of the school, not be able to fully reflect the school's goals and culture the quality of teaching. Mechanized mining sprocket Model:??? SLL01, 72LL0701,72LL0901, 78-LL05-04, 43Z2202-09 serrated ring, arc tooth ring Model: 22 × 86,26 × 92,30 × 108,34 × 126