Shrinkage and dispersed shrinkage are the special waster of ductile iron.缩孔和缩松是球墨铸铁特有的废品现象.The metallocene is summarized as strata, lithology, structure, and especially brittle - ductile shear zone.该区金矿的控矿条件为地层岩性和构造, 特别是...
墙壁被用喷漆喷得一塌糊涂。The walls had been horribly vandalized with spray paint.他们开始修补木建部分，粉刷墙壁。They started to mend the woodwork and paint the walls.14世纪，几何图形是风靡一时的墙壁装饰图案。Geometric designs were popular wall decorations in the 14th...
The unit of kinematic viscosity is the stoke.运动粘度单位是沲.The equations of equilibrium and kinematic relations are independent of the type of material.平衡方程和运动学关系式是与材料类无关的.In parallel kinematic robot, besides active joints - ...