你可能感興趣的試題

A.0.012mm／kh
B.0.026mm／kh
C.0.025mm／kh
D.0.030mm／kh

A.0.25mm
B.0.20mm
C.0.12mm
D.0.24mm

A.0.05mm
B.0.10mm
C.0.12mm
D.0.20mm

A.0.07mm
B.0.12mm
C.0.24mm
D.0.14mm

A.0.05mm
B.0.10mm
C.0.12mm
D.0.20mm

A.0.07mm
B.0.12mm
C.0.24mm
D.0.14mm

A.0.05mm
B.0.10mm
C.0.12mm
D.0.20mm

A.0.07mm
B.0.12mm
C.0.24mm
D.0.14mm

A.按邊界膜的形式分為吸附膜和反應(yīng)膜
B.物理吸附膜受熱產(chǎn)生脫吸，所以不穩(wěn)定；而化學(xué)吸附膜和化學(xué)反應(yīng)膜受熱不產(chǎn)生脫吸，所以它們比物理吸附膜穩(wěn)定
C.物理吸附膜是潤(rùn)滑劑種極性分子靠靜電吸附在摩擦表面上形成極薄的邊界膜
D.化學(xué)吸附膜是潤(rùn)滑劑種極性分子靠化學(xué)鍵力吸附在金屬表面上時(shí)形成的邊界膜

A.短
B.長(zhǎng)
C.隨意
D.無(wú)法確定