fence post的用法和樣例：
例句
- They needed 4 men to push a wooden fence post into the ground.
他們需要四個(gè)人來(lái)將那個(gè)木制的柵欄柱推到地下。 - 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(fā)生的，為通訊電桿，柵欄柱材和鐵路枕木。
