【单选题】铸造碳钢的碳含量过( ),则钢的塑性差,而且铸造时易产生裂纹。
【判断题】Winter is the best season for the spectacle of sea clouds in Mount. Huangshan.
【单选题】根据收货人抬头,提单可分为记名提单、不记名提单、指示提单。可以背书转让的提单是:
【单选题】The tallest and best-known peak in Mount.Huangshan is ________.
【判断题】Mount. Huangshan is an ideal summer resort, in which you won’t feel cold in winter. ( )
【单选题】铸造碳钢的碳含量过(),则钢的塑性差,而且铸造时易产生裂纹
【多选题】根据提单抬头的记载不同,可以将提单分为( )。