4DDZ 系列大豆挠性低割装置(以下简称低割装置)是黑龙江省农机所和依兰收获机厂共同研制的。1983年,八五二农场七分场五队购进一台并安装在 E512—343号联合收割机上。现已使用两年了,共收割大豆6065亩,其中1983年收割1850亩(平均班次作业量185亩,最高班次作业量220亩);1984年收割4215亩(平均班次作业量192亩,最高班次作业量达295亩)。经分场检查 4DDZ series of flexible low-cut soybeans (hereinafter referred to as low-cut device) is Heilongjiang Agricultural Machinery Factory and Yilan Harvest Factory jointly developed. In 1983, five teams from the 852 Farm Seven were purchased and installed on a combine E512-343. Has been used for two years, a total of 6065 acres of soybean harvest, of which 1850 acres of harvest in 1983 (average shift 185 acres of operations, the maximum shift 220 acres); 1984 harvest 4215 acres (average shift 192 acres, the highest frequency 295 acres of operations). After the sub-field inspection