硬聚氯乙烯管在翻边时,甘油的温度应保持在()左右。 ["100~120℃","120~130℃","130~150℃","140~150℃"]
有效沟通
矿浆百分比浓度是25%,则固液比是()。 ["0.67","3:1","1:3"]
凡必需的验收证件不齐全时,到货物资应作为()物资管理。 ["待验","不合格","退货","入库"]
public class Foo { public static void main (String args) { int i = 1; int j = i++; if ((i>++j) && (i++ ==j)) { i +=j; } } } What is the final value of i?() [" 1"," 2"," 3"," 4"," 5"]
内分泌结构