支承楼梯踏步板两端的梁代号为（ ） A: TL B: LTL C: L D: PTL

‏支承楼梯踏步板两端的梁代号为（ ）‏ A: TL B: LTL C: L D: PTL

下列构件代号不正确的是()。 A: 框架梁代号KJL B: 屋面框架梁代号WKL C: 非框架梁代号L D: 框支梁代号KZL E: 楼梯梁代号LTL

Fuel<br/>efficiency and energy consumption considerations() A: have no impact on transportation strategy in most organizations. B: are a factor in transportation strategy development in many<br/>organizations. C: encourage shippers to focus on increasing LTL shipments. D: lead to disintermediation in the supply chain. E: result in lower use of third party logistics providers.