ground brace的用法和樣例：
例句
- The most important severe hazard risk is the ground contact condition which arises in transmission poles, fence posts and railway sleepers.
危害木材最嚴重的情況，是在木材與地基接觸的條件下發生的，為通訊電杆，柵欄柱材和鐵路枕木。
ground brace的相關資料：
臨近單詞
groundings
ground
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