Flight compartment windows are electrically heated. The windshield wipers and rain repellent are used for providing clear vision. In the above sentence ,起到提高能见度的部件有:
A.风挡雨刷 ; B.排雨剂 C.驾驶舱玻璃 D..a+b;正确答案D
Flight compartment windows are electrically heated. The windshield wipers and rain repellent are used for providing clear vision. In the above sentence ,起到提高能见度的部件有:
A.风挡雨刷 ; B.排雨剂 C.驾驶舱玻璃 D..a+b;正确答案D