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several group number, then with b ± a, =c,c is is methyl b two vertical box between of accurate ,
PNAME CHAR(20) NOT NULL,
COLOR CHAR (10) NOT NULL,
WEIGHT SMALLINT NOT NULL);
CREATE TABLE J
(JNO CHAR(4) PRIMARY KEY,
JNAME CHAR(20) UNIQUE,
CITY CHAR(20) NOT NULL);
CREATE TABLE SPJ
(SNO CHAR(4),
PNO CHAR(4),
JNO CHAR(4),
several group number, then with b ± a, =c,c is is methyl b two vertical box between of accurate size. Per-2~3 measurement, such as proceeds of c values are equal and equal to the design value, then the vertical installation accurate. For example a, b, and c valueswhile on horizontal vertical errors for measurement, General in iron angle code bit at measurement level points grid errors, specific method is from baseline to methyl vertical box center line distance for a,, to b vertical box distance for b, list can measured
several group number, then with b ± a, =c,c is is methyl b two vertical box between of accurate size. Per-2~3 measurement, such as proceeds of c values are equal and equal to the design value, then the vertical installation accurate. For example a, b, and c valueswhile on horizontal vertical errors for measurement, General in iron angle code bit at measurement level points grid errors, specific method is from baseline to methyl vertical box center line distance for a,, to b vertical box distance fo