欧美午夜精品久久理论片-国产一区二区三区午夜精品-国产伊人成人在线观看-国产精品第100页-成人午夜性刺激免费在线观看-久久毛片久久**-国产成人在线综合

鋼格板                  steel bar grating  

承載扁鋼               bearing bar

不銹鋼鋼格板           Stainless SteelGrating

橫桿                    cross bar

鋼梯                    Stairway                                                             

凈空間隙                 clear opening                                                  

安裝夾                   Clips And Fastening Method                          

承載扁鋼中心間距         bearing bar centers                                                  

踏步板                   Treads                                                             

橫桿中心間距             cross bar centers                                                  

復合鋼格板               Webplate                                                 

包邊板                     end bar                                                  

壓鎖鋼格板                Press-locked Grating                                

踢腳板                    toe plate                                                  

水溝蓋板                 Drainage Cover                                           

鋼格板長度                length                                                  

鋼格板寬度                width                                                        

扁鋼                     flat  spring   steel