ground brace的用法和样例：
例句
- The most important severe hazard risk is the ground contact condition which arises in transmission poles, fence posts and railway sleepers.
危害木材最严重的情况，是在木材与地基接触的条件下发生的，为通讯电杆，栅栏柱材和铁路枕木。
ground brace的相关资料：
临近单词
groundings
ground
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