800mm

1.In Mid Holocene, the climate was dry with little rain. The annual rainfall in the north of River Huai was less than 800 mm.在全新世，冰后期造成了干旱少雨的气候，淮河以北的年降雨量在800mm以下，黄土高原的雨量更少，但气候较暖。

2.And it is convenient for users to dismantle the enclosure and enlarge the work area. So the machine can meet users' special needs.而且其平台可推出800mm，可增大使用面积，围栏拆卸方便，所以它能满足用户的特殊需要。

3.machine tools ; pallets for machine tools ; nominal sizes up to 800 mm ; form a机床.机床托盘.公称尺寸可达800mm.a型

4.Control about Emulsion Trace and Oil Stain on Aluminium Strip Surface in 800 mm Cold Rolling Mill800mm轧机上铝带板表面油污和乳液痕的控制

5.Stability Control of Big-Diameter GBF Hollow Pipe Mould for Cast-in-Place Concrete Hollow-Core Floor Slab 800 mm in thickness800mm厚现浇混凝土空心楼板大直径GBF空心管胎模的稳定性控制

6.Modular units for machine tools; workholding pallets; part 2: workholding pallets of nominal size greater than 800 mm组合机床部件.工件夹板.第2部分：标称尺寸800mm以上的工件夹板