天然石料的力学性质主要包括（    ）

A、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-font-kerning: 1.0pt; mso-bidi-font-family: ">抗压强度</span>

B、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-font-kerning: 1.0pt; mso-bidi-font-family: ">抗弯强度</span><span style="FONT-FAMILY: ; FONT-SIZE: 10.5pt" lang="EN-US"><span style="mso-spacerun: yes">&nbsp; </span></span>

C、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-font-kerning: 1.0pt; mso-bidi-font-family: ">冲击韧性</span>

D、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-font-kerning: 1.0pt; mso-bidi-font-family: ">硬度</span>

E、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-font-kerning: 1.0pt; mso-bidi-font-family: ">耐磨性</span>