If you install a new hydraulic hose in a hydraulic system, the hose must be long enough to allow for contraction to preventA.failure of the hydraulic hoseB.excessive flow through the lineC.friction in other areas of the hydraulic systemD.overheating of the hydraulic fluid
If you install a new hydraulic hose in a hydraulic system, the hose must be long enough to allow for contraction to prevent
A.failure of the hydraulic hose
B.excessive flow through the line
C.friction in other areas of the hydraulic system
D.overheating of the hydraulic fluid
相关考题：
—Must I be in hospital for a week， Doctor? —No， you_________. You can go back home tomorrow.A. mustn’t B. needn’t C. must
－－Must we finish our homework now? －－No, you ______. You _______ finish it after school. A.needn't , mayB.mustn't , mayC.can't , canD.needn't , must
“Must I finish my homework now?” “No, you() . But you() finish it this evening. ” A. mustn’ t…mustB. needn’ t…mustC. can’ t…canD. can’ t…must
9． _______you _______ stay at home today?A． Do ; have toB． Must; have toC． Have; toD． Do ; must
—_______ I return the book to the library this week?— No, you _______.You can keep it until the end of this month. A.Must; needn’tB.Can; can’tC.May; mustn’tD.Can; mustn’t
switch(x){default:System.out.println(“Hello”);}Whichtwoareacceptabletypesforx?() A.byteB.longC.charD.floatE.ShortF.Long
3．—__________ 1 go out for a while?—No，you __________ You must finish your homework first．A． Must，needn'tB． Can，mayC． May，mustn'tD． May，must
第二类驱动阀门：借助手动、电动、液动、气动来操纵动作的阀门。如闸阀，截止阀、节流阀、蝶阀、球阀、旋塞阀等。Class ii drive valve: manual, electric, hydraulic, pneumatic to control the action of the valve. Such as gate valves, globe valves, throttle valves, butterfly valves, ball valves, plug valves and so on.