2. New orders for
durable goods and contracts for residential and industrial construction make up the deterministic category.
耐用品新订货以及住房和工业建筑合同组成了确定的这类指标数列。
3. Construction is brass body with polished chrome plating, stainless steel working parts and
durable rubber diaphragm and disc.
结构是黄铜阀体抛光镀铬表面,不锈钢工作部件和耐用的橡胶隔膜和阀瓣。