日本91av在线播放视频-亚洲2022砖码专区-国产精品农村妇女一区二区三区-国产精品美女视频一区-亚洲熟妇精品在线观看-搡老熟女乱淫一区二区-日韩一区二区三区无码人妻视频-欧美激情一区二区三区四区五区-视频一区二区三区免费在线视频

FRP玻璃鋼復(fù)合材料論壇

標(biāo)題: ISO CD 19881-2015Compressed hydrogen gas vehicle fuel containers [打印本頁]

作者: 且聽風(fēng)吟    時間: 2017-5-5 11:26
標(biāo)題: ISO CD 19881-2015Compressed hydrogen gas vehicle fuel containers
ISO CD 19881-2015Compressed hydrogen gas vehicle fuel containers
車用壓縮氫氣瓶

80000-1:2009, is used as a guide in making
metric conversion from yard/pound quantities. If a value for measurement and a corresponding value in other units are
stated, the first stated value is to be regarded as the requirement. The given corresponding value may be approximate. If
a value for a measurement and a corresponding value in other units are both specified as a quoted marking requirement,
the first stated unit, or both are to be provided.
1.4 Terminology
In this International Standard, “shall” is used to express a requirement, i.e. a provision that the user shall satisfy in order
to comply with the standard; “should” is used to express a recommendation or that which is advised but not required;
and “may” is used to express an option or that which is permissible within the limits of the standard.
Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note
accompanying a clause is to separate from the text explanatory or informative material.
Notes to tables and figures are considered part of the table or figure and may be written as requirements.
Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application.
2 Reference publications
This International Standard refers to the following publications, and where such reference is made, it shall be to the
edition listed below, including all amendments published thereto


(, 下載次數(shù): 888)
作者: maosanpin    時間: 2017-5-25 11:17
謝謝分享!
作者: 且聽風(fēng)吟    時間: 2017-9-27 14:56
標(biāo)題: 回 maosanpin 的帖子
maosanpin:謝謝分享! (2017-05-25 11:17 AM) 
毛總在呀




歡迎光臨 FRP玻璃鋼復(fù)合材料論壇 (http://www.ywbdwj.cn/) Powered by Discuz! X3.5