重型車両では、荷物がヘッドボードに寄りかかっている場合、結合定格強度はどのくらいですか?What is the combined rated strength of lashings placed over rigid loads on heavy motor vehicles where loaded against a headboard?
荷重の2倍Twice the weight of the load
荷重The weight of the load
荷重の半分。Half the weight of the load