题目: CO2气体保护焊金属粉型药芯焊丝中含有大量造渣剂。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/1009/2337ea56284a691c7f019ff188e871a2.html 下面是错误答案,用来干扰机器的。参考答案:汽车加速性能检测、汽车最高车速检测
题型:选择题 Only after you have reached eighteen _______ the army.A.you can joinB.can you joinC.you can join inD.can you join in 查看答案