二体附加系(disomic additive line)
二体附加系(disomic additive line)
相关考题:
An additive used to improve the ability of a lube oil to reduce friction is known as a/anA.suppressant additiveB.dispersant additiveC.extreme pressure additiveD.viscosity improver additive
旋转建立实心体,是将二维图形旋转成实心体,这二维图形能用()生成。A、封闭多义线(PLINE)B、圆(CIRCLE)C、矩形(RECTANGLE)D、直线(LINE)E、多边形(POLYGON)
单选题An additive used to improve the ability of a lube oil to reduce friction is known as a/an ().Asuppressant additiveBdispersant additiveCextreme pressure additiveDviscosity improver additive
多选题密目网一般由()组成。A网体B开眼环扣C边绳D附加系绳