主页
学科
搜索
账户
常见问题
当前学科:数控铣工考试
题目:
单选
已知
为750,
为15°,则
的值为()。
答案:
<查看本题扣1积分>
查看答案
答案不对?请尝试站内搜索
推荐知识点:
推力轴承甩油的一般处理方法有哪些?
粉砂土的含水量为15,标准冻深为1.6m,地下水埋深5m,则地基土的冻胀性类别应为()。
中暍
加热炉利用燃料()产生的热量通过辐射将物质加热。
“迷惘一代”的文学特征
What document presented under an L/C is treated as original? (1)( ) A statement in a document that another document is the sole original. (2)( ) If the document 1) appears to be written, typed, perforated, or stamped by the document issuer hand, or 2) appears to be on the document issuer original stationery, or 3) appears to be hand-signed by the document issuer, or 4) appears to bear the document issuer facsimile signature, or 5) appears to be a photocopy of another document if such photocopy appears to have been completed by the document issuer hand marking. 6) If a document states that it is original or marks/stamps the word "original".
下列()情况,应先做好外粉刷,再做内粉刷。
研究物质的燃烧反应必须考虑()的参与,应将相应量的N2写入燃烧反应方程式。
简述"六五"世界环境日来历。