亚洲va久久久噜噜噜久久,岳妇的奶水,小12萝裸体洗澡加自慰,三上悠亚番号

亚洲va久久久噜噜噜久久,岳妇的奶水,小12萝裸体洗澡加自慰,三上悠亚番号

亚洲va久久久噜噜噜久久,岳妇的奶水,小12萝裸体洗澡加自慰,三上悠亚番号>>亚洲va久久久噜噜噜久久,岳妇的奶水,小12萝裸体洗澡加自慰,三上悠亚番号

钢格板术语及常用产品中英文对照表

发布时间: 2021-05-06 04:00:32

钢格板                  steel bar grating  

承载扁钢               bearing bar

不锈钢钢格板   ;        Stainless SteelGrating

横杆                    cross bar

钢梯                    Stairway                                                             

净空间隙                 clear opening                                   ;               

安装夹        ;           Clips And Fastening Method                          

承载扁钢中心间距         bearing bar centers                             ;                     

踏步板       ;            Treads                                 ;                            

横杆中心间距             cross bar centers                                                  

复合钢格板               Webplate                                                 

包边板                  ;   end bar                                                  

压锁钢格板                Press-locked Grating                                

踢脚板                    toe plate                                                  

水沟盖板                 Drainage Cover                                           

钢格板长度                length                                    ;              

钢格板宽度                width                                                        

扁钢                     flat  spring   steel