They are employed by glass and glass products manufacturing companies.
他们受雇于玻璃及玻璃制品制造企业。
It is mainly applicable to cutting such products as glass plate and glass tube.
适用于玻璃板、玻璃管等制品的切割。
Glass fiber and glass infiltration, good products made of high mechanical strength.
与玻玻璃纤维浸润性好，制成的产品具有较高的机械强度。
Glass fiber and glass infiltration, good products made of high mechanical strength.
与玻玻璃纤维浸润性好，制成的产品具有较高的机械强度。
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