centre line [数] 中心线 ; 中线 ; 中间线 ; 中央线
centre service line 中线 ; 发球中线
centre line of street 街道中心线 ; 街道中间线 ; 中心线
line centre surface 线心曲面
centre-line marker 中线划标机
plume centre line 烟缕中线
line of centre 中心虩 ; 中心
deck centre line 甲板中线
Draw a short line from the centre circle outwards.
从中心的圆向外画一条短线。
For each of them there are four choices marked A, B, C and D. You should decide on the best choice and mark the corresponding letter on Answer Sheet 2 with a single line through the centre.
每题都有对应标记的A、B、C和D四个选项,请选择最佳选项并在答题卡2的相应字母中间划横线。
You should decide on the best choice and mark the corresponding letter on Answer Sheet 2 with a single line through the centre.
选择最恰当的答案,并在答题卡2相应字母中心处画一条线。
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