They have been accused of secrecy and high-handedness in their dealings.他们被指控隐瞒信息和强制交易。She was bursting to announce the news but was sworn to secrecy.她急不可待想宣布这个消息,但却发过誓要守口如瓶。The secrecy and swiftness of the invasion shoc...
The Bourdon - type pressure gauge is more convenient for most purposes than a liquid manometer.在很多情况下,使用鲍敦式压力计要比液体压力计更为方便.What kind of piping system should the Bourdon effect be considered to?哪种类型的管系中应考虑到波登效应?Effect of d...