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單項(xiàng)選擇題

DH-90型空透一、二級(jí)軸位移聯(lián)鎖值為（）.

A.≥67.6um
B.≥84.5um
C.≥76.4um

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單項(xiàng)選擇題

絕對(duì)壓力表示代號(hào)（）.

A.A
B.G
C.F

單項(xiàng)選擇題

3TYS89+2TYS60型氧透軸位移報(bào)警值（）.

A.0.5mm
B.0.6mm
C.0.7mm
D.0.8mm

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