A.70.7×70.7×70.7 B.100×100×100 C.150×150×150 D.200×200×200
A.8% B.10% C.15% D.12%
A.10mm B.100mm C.50mm D.150mm
A.7d B.14d C.28d D.90d
A.開(kāi)口式; B.液壓式; C.電測(cè)式; D.氣壓平衡式