看不懂客人对产品的具体要求 ~~~请大家帮忙翻译下

1. DUCTILE IRON PIPES SHALL CONFORM TO THE REQUIREMENTS OF "DUCTILE IRON PIPES.FITTINGS AND ACCESSORIES FOR PRESSURE PIPELINES" ( ISO 2531, SS4772) OR OTHER INTERNATIONALLY ACCEPTED STANDARDS THAT ENSURE AN EQUAL OR HIGHER QUALITY THAN THE STANDARDS MENTIONED. 2. ALL PIPE WORK SHALL BE CLASS K9 AND IN ACCORDANCE WITH ISO STANDARD UNLESS OTHERWISE STATED IN THE CONTRACT DOCUMENTS. EACH LENGTH OF PIPE SHALL BE DESIGNED TO WITHSTAND THE RELEVANT TEST REQUIREMENTS OF ISO 2531. 3. HYDROSTATIC PRESSURE TESTS SHALL BE PERFORMED PRIOR TO COATING OR LINING OF PIPES. DUCTILE IRONPIPES AND FITTINGS SHALL BE MANUFACTURED WITH SPIGOT ANDSOCKET ENDS IN WHICH THE SEAL IS ACHIEVED BYMEANS OF A SUITABLE RETAINED RUBBER GACKET (PUSH- ON JOINT) PIRE LENGTHS SHALL BE IN ACCORDANCE WITH ISO 2531 4. DUCTILE IRON PIPES AND FITTINGS SHALL HE A BLAST FURNACE CEMENT MORTAR LINING. IT SHALL BE APPLIED SO THAT IT ADHERES STRONGLY TO THE PIPE. THE LINING FOR PIPES SHALL BE AS SPECIFIED IN ISO 4179 AND SHALL BE APPLIED BY A CENTRIFUGAL PROCESS, PIPES SHALL HE AN EXTERNAL PROTECTION WITH A METALLIC ZINC COATING PLUS A COAL TAR COATING AS PER ISO 8179 我知道内容有点多哦 ,我自己也看的头大,请大家帮我翻译下,我在这里也学习了 ~~ 在此先谢谢~