在人行道上应尽量避免使用拉线。如需要安装拉线,拉线及地锚位于人行道或人车经常通行的地点,应在离地面高2.0m以下的部位用塑料管或毛竹筒包封.在塑料管或毛竹筒外面并用红白相间色作告警标志。
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A provisional agreement is one()
A. that could benefit both of us.
B. that you have finalized the delivery dates.
C. that is made with certain conditions.
D. then he could get a large discount.