皮皮学，免费搜题
登录
搜题
【单选题】
{ 曲柄摇杆机构机架长度为100 mm,两连架杆长度分别为50 mm和120 mm,则连杆长度L的取值范围是_______________。 }A.
120 mm≤L≤150 mm
B.
100 mm≤L≤170 mm
C.
150 mm≤L≤170 mm
D.
70 mm≤L≤170 mm
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】郑声的病机是（ ）
【单选题】If you want to lose weight, you'll need to stick to your diet.
A.
tempt
B.
stick to
C.
affect
D.
state
【单选题】According to the author customers are likely to stick to a particular gadget-maker if______.
A.
they are satisfied with the services provided
B.
they have used its former services
C.
they are hooked by the services provided
D.
they never try services tied to other gadget-makers