船舶最小干舷由哪些因素决定?
参考答案:
船舶种类、航区等级、船长、型深、舷弧、舱口围板(舱室门槛)高度。
Mrs ,Taylor has ___8-year-old daughter who has _____gift for painting –she has won two national prizes.
A.a, a
B.an ,the
C.an ,a
D.Th
当电场强度过高时,椭球形水滴两端受电场拉力过大,导致将一个小水滴拉断成两个更小的水滴,产生(),使原油脱水情况恶化。
A、电聚结
B、电分散
C、电泳
D、电结晶