在大型养路机械的司机室内,通常都装双针空气压力表,其中一块压力表的红针指示()压力,黑针指示列车管压力。
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An axial piston pump differs from a radial piston pump as the pistons of an axial piston pump are positioned _____.
A. radially from the shaft
B. parallel to each other and to the shaft
C. parallel to each other but at a right angle to the shaft
D. at an angle to each other and to the shaft
多用途搅拌机一般具有()功能,它兼有()等功能。
A. 和面、压面
B. 和面、搅拌
C. 分割、搅拌
D. 揉圆、搅拌
下列哪项是独活的功效
A. 祛风湿,止痛,消骨鲠
B. 祛风湿,止痛,清热解毒
C. 祛风湿,利水,止痛
D. 祛风湿,止痛,解表
E. 祛风湿,止痛,安胎
与炎性渗出有关的因素是
A. 血管壁通透性增高
B. 血管壁通透性下降
C. 血浆胶体渗透压升高
D. 组织内晶体渗透压下降
E. 组织内晶体渗透压增加