weight loaded短语⁸⁴³²⁰⁺⁸ 基本例句 装货重量 Methods: The new annular medical posture mat with2 sizes as the traditional posture mat was designed. Pressure was measured after each of the two posture mats was weight loaded. 方法：设计两种型号的环状体位垫，与相同型号的传统体位垫相比，测定其负重后的压强值； www.301xuebao.com.cn