二、操作时注意力要集中，主、副手相互配合，动作要一致；

二、操作时注意力要集中，主、副手相互配合，动作要一致；

ผลลัพธ์ (อังกฤษ) 1:

Second, actions should concentrate, main, Deputy coordination, action should be consistent;

ผลลัพธ์ (อังกฤษ) 2:

Second, the operation should concentrate on the main, deputies cooperate with each other, the action should be consistent;

ผลลัพธ์ (อังกฤษ) 3:

Two, the operation of the attention to focus, the main, deputy to coordinate each other, the action should be consistent;