可编程控制器在STOP模式下,执行()。
A、输出采样
B、以上都执行
C、输出刷新
D、输入采样
参考答案:B
下列关于碘剂的叙述中,哪一项是正确的()
A.突出的副作用是白细胞和粒细胞减少
B.抑制甲状腺素的分泌
C.使腺体肥大、充血
D.甲亢患者术前服用1周即可手术
E.对消化道粘膜无刺激
The vessel or other goods upon which the Works have been carried out must be()from the Repairer’s worksite within 3 days after the invoice date or in accordance with other written notification by the Repairer to the Customer.
A.selected
B.collected
C.detected
D.effected