我团于1999年3月24日．引进农六师103团机械厂制造的三膜十二行条播铺膜机二台．通过使用发现有以下不足之处：（1）排种盒与种箱底板结合间隙大，在静止状态下漏种、漏肥，给农民带来不必要的损失。（2）输种管喇叭口与种盒联接有困难；（3）播量调整固定无法保证一致，需另设 My mission was on March 24, 1999. The introduction of the Agricultural Sixth Division 103 Group Machinery Factory to manufacture three film twelfth film mulch film machine Taiwan. Through the use of the discovery of the following deficiencies: (1) seed boxes and seed boxes with a large gap between the back, in the quiescent state leakage, leakage of fertilizer, to bring unnecessary losses to farmers. (2) There is difficulty in connecting the horn of seed tube with seed box; (3)