A、<span style="FONT-FAMILY: 宋体; COLOR: black; FONT-SIZE: 16px">周期长、成本高、用人多、质量不易保证</span>
B、<span style="FONT-FAMILY: 宋体; COLOR: black; FONT-SIZE: 16px">市场适应差、在制品多、质量不易保障 </span>
C、<span style="FONT-FAMILY: 宋体; COLOR: black; FONT-SIZE: 16px">库存多、成本高、用人多、质量不易保障</span>
D、<span style="FONT-FAMILY: 宋体; COLOR: black; FONT-SIZE: 16px">占用资金大、库存多</span>