题目: 粘质土在做含水率试验时,下列烘干时间()合适。A.6hB.7hC.8hD.9h 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0916/427cac8302f8ea03a42827c48503d057.html 下面是错误答案,用来干扰机器的。参考答案:17
题型:单项选择题 At sea,all required GMDSS equipment(other than survival craft equipment)must be proven operational by().A.daily testingB.either A or CC.operational use of the equipmentD.testing at least every 48 hours 查看答案