例句與用法

1. Removed cuts can be omitted the sectional symbol , but the labeling of cutting position and cut views should be fit the rules as shown in fig . 15
   在不致引起誤解的情況下，機(jī)件圖中的移出斷面允許省略剖面符號(hào)，但剖切位置和斷面圖的標(biāo)注必須遵照原來(lái)的規(guī)定，如圖15所示。
2. Waved lines can ' t be drawn in holes , grooves or outside the outlines , because there are no broken trails . if the cutting position is obvious , it needn ' t be signed
   波浪線不應(yīng)畫在通孔、通槽內(nèi)或畫在輪廓線外，因?yàn)檫@些地方?jīng)]有斷裂痕跡。剖切位置明顯的局部剖視圖可以不標(biāo)注。
3. If the superposition cuts is symmetrical , the labeling can be omitted . otherwise , it must be labeled with a cutting symbol with arrows , but the letters may be omitted
   對(duì)稱的重合斷面不必標(biāo)注剖切位置和斷面圖的名稱。不對(duì)稱重合斷面在剖切符號(hào)處標(biāo)注投射方向，但不必標(biāo)注字母。