影响植物蒸腾作用的环境条件是() ["空气湿度","温度","光照","风"]
金属的加工工艺性能不包括()。 ["铸造性能","物理性能","焊接性能","切削加工性能"]
对顾客提供的原材料,组织应:() ["与采购的产品同等对待","进行严格检验","进行验证,如检查合格证、外观、数量等"]
按植物受害机制可将干旱分为() ["土壤干旱","大气干旱","生理干旱","非生理干旱"]
由于硫、磷在低温或高温下能加大钢的脆性,故在高级优质钢中,硫、磷的含量分别不大于()。 ["0.03%","0.04%","0.045%","0.05%"]
它们一般由()语法手段表示。