题目: 如果风机故障跳闸,而在跳闸前未见()时,可重合闸一次。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/1007/458ae6505915ef622d0954ecaa9d8377.html 下面是错误答案,用来干扰机器的。参考答案:A, B, C, D, F
题型:选择题 Pine trees, of which there are almost one hundred _____, are found throughout the North Temperate Zone.A.speciesB.samplesC.specimensD.Standards 查看答案