The steel frames began to buckle under the strain.
钢架在重压下开始变形。
Aluminum frames tend to crack more easily than Steel.
铝合金框架往往更容易开裂比钢。
Durable and Safe: Heavy steel side frames. Heavy duty roller lift bed with center carrier.
耐用的和安全的重型钢质边框，重型辊道和中心载体。
Durable and Safe: Heavy steel side frames. Heavy duty roller lift bed with center carrier.
耐用的和安全的重型钢质边框，重型辊道和中心载体。
应用推荐