<tfoot id="m9ijy"></tfoot>
<code id="m9ijy"></code>
  • <dl id="m9ijy"><ul id="m9ijy"></ul></dl>
    <kbd id="m9ijy"><sub id="m9ijy"><center id="m9ijy"></center></sub></kbd>
    <code id="m9ijy"><legend id="m9ijy"><rt id="m9ijy"></rt></legend></code><thead id="m9ijy"><sup id="m9ijy"></sup></thead>
    <big id="m9ijy"><legend id="m9ijy"><code id="m9ijy"></code></legend></big>
  • <big id="m9ijy"></big>
    <center id="m9ijy"><sub id="m9ijy"></sub></center>
    <nobr id="m9ijy"><small id="m9ijy"><small id="m9ijy"></small></small></nobr>
    單項(xiàng)選擇題

    一臺(tái)新的熔化焊機(jī)在裝配好出廠前要通過(guò)規(guī)定項(xiàng)目的試驗(yàn),以下不屬于該試驗(yàn)的是()。

    A.空載試驗(yàn)
    B.抗壓試驗(yàn)
    C.短路試驗(yàn)

    微信掃碼免費(fèi)搜題