槽痕跡 的英文怎麼說
中文拼音 [cáohénjī]
槽痕跡
英文
cha elcast-
Ditches are dug next to the wire poles to direct the dogs ' pee into near - by sewage, and prevent staining the road
電線桿旁邊設計溝槽,狗兒小解后流至水溝中,不會在路面上留下痕跡。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
波浪線不應畫在通孔、通槽內或畫在輪廓線外,因為這些地方沒有斷裂痕跡。剖切位置明顯的局部剖視圖可以不標注。
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