They can have straight, bent, or offset shanks.
它们可以有直的、弯的或偏置的刀杆。
Lie on back, knees bent or straight.
仰卧，膝关节弯曲或伸直。
The heat-exchanger tube is a straight tube, a bent tube or a twisted tube.
所述的热交换管是直 管、弯管或盘管。
The heat-exchanger tube is a straight tube, a bent tube or a twisted tube.
所述的热交换管是直 管、弯管或盘管。
应用推荐