A.用2m靠尺和楔形塞尺檢查 B.用水準(zhǔn)儀檢查 C.尺量檢查 D.拉5m線(xiàn)和尺量檢查
A.5mm B.8mm C.10mm D.15mm
A.2mm B.3mm C.4mm D.5mm