制冷装置负荷证书 refrigerating plant: 冷冻设备,冷冻厂; 冷冻装置; 致冷装置; 制冷装置certificate for refrigerating appliances: 制冷装置合格证书refrigerating machinery certificate: 冷冻机械合格证书certificate of loading: 装船证书loading certificate: 装货证明书; 装载检验证书; 装载证书下载手机词典可随时随地查词查翻译