單項(xiàng)選擇題
A.1% B.2% C.3% D.4%
A.45° B.90° C.135° D.180°
A.50mm B.70mm C.100mm D.120mm
A.50% B.75% C.90% D.100%
A.50mm B.70mm C.90mm D.100mm
A.15mm B.20mm C.25mm D.30mm
A.2塊磚 B.3塊磚 C.5塊磚 D.10塊磚
A.1點(diǎn) B.2點(diǎn) C.3點(diǎn) D.4點(diǎn)
A.水準(zhǔn)儀 B.鋼尺 C.經(jīng)緯儀 D.吊錘
A.2d B.3d C.4d D.5d