A.防護(hù)目鏡、低溫手套、面罩、長(zhǎng)袖上衣、寬口長(zhǎng)褲、工鞋 B.手巾、長(zhǎng)袖上衣、寬口長(zhǎng)褲、工鞋 C.圍巾、手巾、長(zhǎng)袖上衣、寬口長(zhǎng)褲 D.長(zhǎng)袖上衣、寬口長(zhǎng)褲、防靜電鞋、手套
A.0.2兆帕 B.03兆帕 C.1.5兆帕 D.0.1兆帕
A.開(kāi)啟 B.關(guān)閉 C.半開(kāi)半閉 D.一開(kāi)一閉