mat_no, mat_name, mat_spec, first_categ, second_categ, mat_version, mat_grd, use_categ, institution_code, jweight, mweight, density, mat_area, mat_area1, hs_unit, zz_unit, cg_unit, mat_level, mat_categ, cg_dept, cg_ry, main_dept1, main_dept, order_period, use_period, cg_flag, tx_flag, gj_flag, dy_flag, t1, t2, b1, b2, l, craft_remark, area_formula, volume_formula, gist1, gist2, mat_from, pieces_from, depart_code, abc_categ, craft_identify_no, usertype_status, use_status, bzry, bzrq, tjry, tjrq, spry, sprq, tmat_code, consume_rate, solid_content, factory, fixed_wire, weldng_num, groove_num, turn_num, nozzle_model, blend_use, tmat_consume_rate, remark,hczl update dm_materia mat_no = #{item.matNo}, mat_name = #{item.matName}, mat_version = #{item.matVersion}, mat_spec = #{item.matSpec}, mat_grd = #{item.matGrd}, jweight = #{item.jweight}, mat_area = #{item.matArea}, mat_area1 = #{item.matArea1}, weldng_num = #{item.weldngNum}, t2 = #{item.t2}, t1 = #{item.t1}, use_type = #{item.useType}, safekc = #{item.safekc}, maxkc = #{item.maxkc}, groove_num = #{item.grooveNum}, turn_num = #{item.turnNum}, item_no = #{item.itemNo}, bzrq = #{item.bzrq}, bzry = #{item.bzry}, gj_flag = #{item.gjFlag}, mat_level = #{item.matLevel}, where mat_no = #{item.ymatNo}