X荧光分析仪 Xray flourescence analysis 草图 draft安装图 installation drawing 转速计\流速计 tachometer扒平螺旋 raking screw 测温枪 temperature detect rod白铍 white ma
形容天气的词语sunny晴天 cloudy多云 overcast阴天 light rain 小雨moderate rain 中雨 heavy rain 大雨 moderate snow中雪heavy snow 大雪 light snow 小雪 rainstorm暴雨thunder
护目镜goggles检修门access door护罩shroud胶sealant花键spline胶带tape滑轨track胶垫mat滑轮pulley胶垫圈rubber washer滑丝cross thread胶套rubber滑梯罩slide cover胶纸tape滑油量oil l
