题目内容
(请给出正确答案)
[主观题]
距离测量的方法有 、 和光电测距仪测距
提问人:网友hnjzrjl
发布时间:2022-01-07
A.has been writing; has written
B.has been writing; wrote
C.is writing; has been writing
D.has written; has written
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