A.按鈕按下時(shí)萬用表指針滿偏;松手時(shí)指針不偏轉(zhuǎn) B.按鈕按下時(shí)萬用表指針滿偏;松手時(shí)指針也滿偏 C.按鈕按下時(shí)萬用表指針不偏轉(zhuǎn);松手時(shí)指針滿偏 D.按鈕按下時(shí)萬用表指針不偏轉(zhuǎn);松手時(shí)指針也不偏轉(zhuǎn)
A.向氣缸中定壓噴油 B.向氣缸中定量噴油 C.向氣缸中定時(shí)噴油 D.形成合適的油霧
A.針閥 B.套筒 C.柱塞 D.球閥