The most crucial time for any bearing with regards to lubrication is

A．during low loads

B．after proper oil viscosity is reached

C．during starting

D．after cleaning filters

[单选题]The most crucial time for project risk assessment is ().A . when a problem surfacesB . during the planning phaseC . during the close-out phaseD . after the project schedule has been published

[单选题]The most [crucial]problem any economic system faces is how to use its scarc

[单选题]The most [crucial]problem any economic system faces is how to use its scarc

[单选题]According to Gencon，if at any time during the currency of this Charter，both Owners and Charterers are unable to arrange bunkers at the main bunkering ports for the voyage in question，the（）to have the privilege of canceling this Charter.A . Charterers

[单选题]The most important program on any computer is (73) .A．Office 2000B．VirusC．softwareD．Operating System

[单选题] The most important program on any computer is （73） .（73）A． Office 2000B． VirusC． softwareD． Operating System

[单选题]The most [crucial]issue at present is how to solve the problem of food safe

[单选题]The most [crucial]issue at present is how to solve the problem of food safe

[单选题]The most [crucial]issue at present is how to solve the problem of food safe

[判断题]Inventory typically needs to be warehoused at any time during the logistics