function SearchWd() {
var obj = document.getElementById("wd");
if (obj.value.length > 0) {
return true;
} else {
alert("请输入关键字");
obj.focus();
return false;
}
}
document.write('
');
document.write('
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document.write('
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document.write('
首钢产品
');
document.write('
');
document.write('
');
document.write('
');
document.write('- 钢铁产品
');
document.write('- 非钢产品
');
document.write('
');
document.write('
');
document.write('
');
document.write('
');
document.write('
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document.write('');
document.write('
');