钨砂生产弓会: association of tungsten producing countries
筹备: prepare; arrange 短语和例子筹备国庆庆祝活动 make preparations for the national day celebrations; 筹备建校事宜 make preparations for the setting up of a school; 他们筹备了一个大型敦煌艺术展览。 they prepared a big exhibition
筹备阶段: preparation stage project under construction
