我们图纸、技术资料审查小组全体同志对FW 3型挖穴机样机的审查意见如下: 一、对现场试验结果的意见: 1.工作可靠,所挖坑穴的坑径、坑深基本上符合林业技术要求。工效高,工作质量好(所挖坑穴直径上下一致,能切断2公分左右的树根,排出5公分的石块),结构简单重量 Our drawings, technical information review team all comrades on the FW 3-type digging machine mocking machine review comments are as follows: First, the field test results: 1. Reliable work, digging pit hole diameter, pit depth is basically in line with forestry skills requirement. Work efficiency is high, the quality of work (the diameter of the hole dug up and down the same, can cut off about 2 cm of roots, discharge 5 cm of stone), simple structure weight