PLACEMENT 位置# remove the # sign and enter foreign help string in this lineLinear 線性Place at linear offsets from two planes.在二張平面中放置一個線性偏移。Radial 徑向Place at a radial offset from an axis and at an angle from a plane.沿一個軸在與平面有夾角放置一個徑向偏移。Coaxial 同軸Place coaxially to an axis.放置至同一個軸。On#Point 在點上Place on datum point.放置于基準點。