A difficulty here, however, is that the TransformStreamDefaultController does not have a ready promise mechanism like Writers do; so the TransformStream implementation would need to implement a polling mechanism to periodically check when controller.desiredSize becomes positive again.
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，这一点在heLLoword翻译官方下载中也有详细论述
各界關注此次默茨訪華將重啟戰略夥伴關係，還是在特朗普持續對歐洲施壓下持續「去風險」的有限接觸？默茨會否在此行提及中國人權紀錄，北京又有什麼盤算?
建设单位：西安绿和房地产开发有限公司（企业法人：王栋，项目负责人：林炫）；施工单位：浙江凤山建设工程有限公司（企业法人：王祯标，项目经理：张玉兴）；监理单位：陕西省工程监理有限责任公司（企业法人：杨卫，总监理工程师：杨旋）