钢丝绳的钢丝有(),锈皮点蚀麻坑等损伤,()严重,不论断丝或绳径变细多少都必须立即更换。
参考答案:变黑;锈蚀
We will set out as soon as we_________these thines rendy.[ ]
A. get
B. are getting
C. got
D. will get
以下不属于产力的是()
A.子宫收缩力
B.腹肌收缩力
C.膈肌收缩力
D.坐骨海绵体肌收缩力
E.肛提肌收缩力