a tree falls down.とは 意味・読み方・使い方

To provide an auxiliary tool for felling a bamboo tree which easily and reliably falls down a bamboo tree in an optional direction only by work on the ground with no need of climbing any trees for hooking a rope on the bamboo tree unlike the conventional one, just by being fixed on the lower part of the bamboo tree and also without using any large machine.例文帳に追加

伐採する竹木の下部に取り付けるだけで、従来のように竹木にロープを掛けるために樹木に昇ることなく、地上での作業のみで簡易かつ確実に任意の方向に倒木させることができ、しかも大型の機械を用いることなく任意の方向に倒木させる。 - 特許庁