判斷題
單項(xiàng)選擇題
A.8mm B.10mm C.12mm D.14m
A.60mm B.70mm C.80mm D.90mm
A.0.8mm B.1.0mm C.1.2mm D.1.6mm
A.200mm B.250mm C.300mm D.350mm
A.15mm B.20mm C.22mm D.25mm
A.淬透層深 B.適用于大批量制件的淬火 C.適用于需要局部淬火的工件 D.適用于中碳合金結(jié)構(gòu)鋼制件
A.回火 B.正火 C.淬火 D.調(diào)質(zhì)
A.5m B.6mm C.8mm D.10mm
A.附加摩擦力 B.機(jī)械 C.沖點(diǎn) D.粘接
A.90mm B.10mm C.750mm D.100mm