aA Double that represents the dm 信封的深度是Z准数的范围。 深度= ZMax - ZMin。 曾经得到或设置一个非空的信封的深度。 信封必须是ZAware和有非南被设置的Zs。[translate] aTypically, this includes roofing, plumbing, heating, air conditioning, electrical systems, interior or exterior painting, and fl...