已知某混凝土的实验室配合比为1：2.51：4.32，水灰比为0.58，每立方米混凝土水泥用量C=285千克。经测定砂的含水率为3%，石子的含水率为2%，则每立方米混凝土，水的用量是（）。

When using a tool compensation function，you should check the direction and amount of compensation.。

2024-01-12 竞赛及其他题库

Incorrect operation may lead to（）.

2024-01-12 竞赛及其他题库

Before operation the machine， you should read the contents in the（）.

2024-01-12 竞赛及其他题库

CNC diagnostic support at present includes four basic categories：start-up diagnostics，

2024-01-12 竞赛及其他题库

Start-Up Diagnostics are a diagnostic routine that regularly operate automatically when the CNC is switched on.。

2024-01-12 竞赛及其他题库

Off-Line Diagnostics are manual diagnostics which are intended for thorough；

2024-01-12 竞赛及其他题库

Numerical control machine operators set up and tend（）.

2024-01-12 竞赛及其他题库

With（）based CNC machine tool controllers， maintenance and repair are no longer an issue.pc

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“Strut-machining department” means “柱式机床部门”.。

2024-01-12 竞赛及其他题库

The CNC can‘t send messages to those users that its Windows account can access.。

2024-01-12 竞赛及其他题库