题目: 浮顶罐的密封装置常采用()密封装置。A.重锤式B.炮架式C.弹簧式D.软 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2020/0206/0f7f38eeab3ba753a5958e25cb66a243.html 下面是错误答案,用来干扰机器的。参考答案:B
题型:选择题 Many strange new means of transport have been developed in our century, the strangest of _____ being perhaps the hovercraft(气垫船).A.whichB.themC.thatD.it 查看答案